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Worksheets

Unit 9 Review

Total questions: 142

Worksheet time: 6hrs 23mins

Name
Class
Date
1.
A shape has an area of 125 sq in.  The width of the shape is 5 inches.  What is the length?
Formula:  A = l × w
a)
25 in.
b)
10 in.
c)
625 in.
d)
21 in.
2.
Find the AREA of this figure.
a)
160 square feet
b)
160 feet
c)
160
d)
1600 feet
3.
How do you find the area of a rectangle?
a)
Length + Length + Length + Length
b)
Length + Width
c)
Length x Width
d)
Width x Width
4.
What is the area?
a)
5 sq units
b)
6 sq units
c)
6 units
d)
none of the above
5.
The space inside an object is called it's
a)
area
b)
perimeter
c)
cauliflower
d)
room
6.
The distance around an object is called the 
a)
area
b)
perimeter
c)
volume
d)
hug
7.
A square has a perimeter of 48 millimeters and an area of 144 square millimeters. What is the measurement of one side? 
a)
12 mm
b)
8 mm
c)
6 mm
d)
14 mm
8.
Miss Godines wants to wallpaper one section of her living room wall.  How many square feet of wallpaper would she need for this wall?
a)
75 sq ft.
b)
96 sq ft.
c)
160 sq ft.
d)
40 sq ft.
9.
What is the area of a square with a length of 4 cm?
a)
16 cm
b)
16 square cm
c)
8 cm
d)
8 square cm 
10.
What is the PERIMETER of this rectangle?
a)
22 sq. yd.
b)
22
c)
22 cm
d)
22 yd.
11.

What is the perimeter of a triangle with a sides of 13 m, 4 m, 4 m?

a)

21 

b)

21 m

c)

 21 m221\ m^2  

d)

 208 m2208\ m^2  

12.

What is the missing side and then the perimeter of a rectangle. The entire shape is 42 in. The width of the rectangle is 3 in. and the length is 6 times the width?

a)

42 in.

b)

18 in.

c)

9 in.

d)

112 in.

13.

What is the area?

a)

35 cm

b)

30 cm

c)

35 sq cm

d)

12 cm

14.
What is the perimeter of this figure?
(click to show image)
a)
12 m
b)
20 m
c)
12 cm
d)
20 cm
15.

The perimeter of a rectangle is 34 meters. The width is 4 meters. What would the length be?

a)

17 m

b)

13 m

c)

15 m

d)

30 m

16.
How do you find the area of a rectangle?
a)
Length + Length + Length + Length
b)
Length + Width
c)
Length x Width
d)
Width x Width
17.
Adam was painting a wall in his room. The wall was 4 feet wide and 4 feet tall. What is the area of the wall he has to paint?
a)
16ft
b)
8ft
c)
12ft
d)
4ft
18.
Find the PERIMETER of this figure.
a)
20 square feet
b)
20 cm
c)
25 square feet
d)
20 cm sq.
19.
If you are finding the distance around an object, what are you solving for?  
a)
Area
b)
Volume
c)
Plus and Minus
d)
Perimeter
20.
Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?
a)
800 feet
b)
120 feet
c)
60 feet
21.
Find the area:
a)
24 in2
b)
12 in2
c)
6 in2
d)
3.5 in2
22.
Find the area:
a)
84 m2
b)
168 m2
c)
112 m2
d)
56 m2
23.
Find the area
a)
126m
b)
120m2
c)
126m2
d)
200m2
24.

A rectangle has one side that measures 6 m and the other side measures 4 m. Which of these cannot be used to find the area of the rectangle?

a)

Area = 6m + 6m + 6m + 6m

b)

Area = 4m x 6m

c)

Area = 6m x 4m

25.
What does perimeter mean?
a)
the amount of space inside a shape
b)
the distance around the shape
c)
the amount of space inside a shape divided by two
d)
half the distance around a shape
26.

What is the formula for finding area?

a)

Area = Length x Width

b)

Area = Length x Length

c)

Area = Length + Width

d)

Area = Width x Width

27.

The space inside an object is called it's

a)

area

b)

perimeter

28.

What is the perimeter?

a)

24 sq cm

b)

24 cm

c)

35 sq cm

d)

35 cm

29.

What is the area of this rectangle?

a)

12cm

b)

8 sq cm

c)

6 sq cm

d)

8cm

30.

Find the perimeter

a)

40 ft

b)

28 ft

c)

14 ft

d)

40 sq ft

31.
Find the PERIMETER of this figure.
a)
20 square feet
b)
20 cm
c)
25 square feet
d)
20 cm sq.
32.
What is the perimeter of this rectangle?
a)
21 units
b)
12 units
c)
3 units
d)
None of the above.
33.
What is the area of this figure?
a)
40 square units
b)
45 units
c)
13
34.
What is the area?
a)
3 sq units
b)
6 sq units
c)
12 sq units
d)
9 sq units
35.
a)
Area of a square
b)
Area of a rectangle
c)
Area of a triangle
d)
Area of a parallelogram
36.
Find the Area of this triangle
a)
19.8 km2
b)
37.8 km2
c)
18.9 km2
d)
35 km2
37.
Find the area of the triangle.
a)
39 sq feet
b)
30.8 sq feet
c)
78 sq feet
d)
101.4 sq feet
38.
What is the area of a square with a length of 4 cm?
a)
16 cm
b)
16 square cm
c)
8 cm
d)
8 square cm 
39.
What is the area of this circle?
a)
163.2 sq. cm
b)
15.3 sq. cm
c)
124.2 sq. cm
d)
113.1 sq. cm
40.
What is the area of this circle?
a)
1385.44 sq. ft
b)
2142.12 sq. ft
c)
5541.77 sq. ft
d)
1289.12 sq. ft
41.
Find the area of the circle
a)
56.52 sq. in.
b)
254.34 sq. in.
c)
1017.36 sq. in.
d)
113.04 sq. in.
42.

What is the circumference?

a)

36

b)

56.52

c)

108

d)

113.04

43.
Find the PERIMETER of this figure.
a)
20 square feet
b)
20 cm
c)
25 square feet
d)
20 cm sq.
44.
What is the perimeter of this rectangle?
a)
21 units
b)
12 units
c)
3 units
d)
None of the above.
45.
What is the area of this figure?
a)
40 square units
b)
45 units
c)
13
46.
What is the area?
a)
3 sq units
b)
6 sq units
c)
12 sq units
d)
9 sq units
47.
What is the area of a square with a length of 4 cm?
a)
16 cm
b)
16 square cm
c)
8 cm
d)
8 square cm 
48.
The distance around an object is called the 
a)
area
b)
perimeter
49.
How do you find the area of a rectangle?
a)
Length + Length + Length + Length
b)
Length + Width
c)
Length x Width
d)
Width x Width
50.
If I wanted to place a fence around my backyard to keep my dog from running away, I would be looking at?
a)
Perimeter
b)
Area
51.
Adam was painting a wall in his room. The wall was 4 feet wide and 4 feet tall. What is the area of the wall he has to paint?
a)
16ft
b)
8ft
c)
12ft
d)
4ft
52.
Area represents the
a)
The number of square units inside a figure
b)
The number of units around a figure
53.
To find the perimeter of any figure
a)
Add the lengths of all the sides
b)
Multiply the lengths of all the sides
54.
What is the perimeter?
a)
3 ft. 
b)
6 ft. 
c)
12 ft. 
d)
18 ft. 
55.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
56.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
57.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?
a)
3 m 
b)
9.42 m
c)
12 m
d)
18.84 m
58.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
59.
Find the area of the circle
a)
56.52
b)
254.34
c)
1017.36
d)
113.04
60.
What is the area of this circle?
a)
6082.12
b)
1519.76
c)
1893.14
d)
1292.92
61.
What is the area of this circle?
a)
82.13
b)
78.5
c)
314.16
d)
170.12
62.
Find the circumference of a circle with a diameter of 11 millimeters.
a)
34.6 mm
b)
30 mm
c)
25.3 mm
d)
34.54 mm
63.
what is the area of a circle with the diameter of 16 cm ?
a)
66 cm
b)
200.96 cm
c)
66.5 cm
d)
10 m
64.
Find the circumference of a circle with a radius of 13.5 mm.
a)
37.68mm
b)
18.84mm
c)
84.78 mm
d)
none of the above
65.
If the radius of a circle is 12.5 meters, the diameter is ____
a)
6.25 meters
b)
125 meters
c)
25 meters
d)
50 meters
66.

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

a)

c = π15

b)

C = 2π15

c)

c = 15 ÷ π

d)

c = 15 π2

67.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.26 m2
68.
A circular pie has an area of 706.5 cm2. What is the radius of the pie?
a)
225 cm
b)
30 cm
c)
15 cm
d)
112.5 cm
69.
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?
a)
11.32 ft
b)
12.25 ft
c)
10.99 ft
d)
8.75 ft
70.
A circle pool has a radius of 7.5 ft. Monica wants to know how many ft of a pool cover she needs to buy?
a)
23.55 ft²
b)
176.63 ft²
c)
47.1 ft²
d)
706.5 ft²
71.

The stained glass window is a semicircle. What is the distance around the window?

a)

40.82 inches

b)

66.82 inches

c)

81.64 inches

d)

107.64 inches

72.
What is the area of this circle?
a)

1256.64 sq. in.

b)

31.41 sq. in.

c)

314.16 sq. in.

d)

123.12 sq. in.

73.

A city is designing a new garden. A scale drawing of the garden is shown below. What is the circumference of the garden?

a)

628 feet

b)

200 feet

c)

100 feet

d)

542 feet

74.

A large pizza has a diameter of 14 inches. A medium pizza has a diameter of 10 inches. How much larger is the area of the large pizza than the area of the medium pizza?

Round your answer to the nearest hundredth of an inch.

Use 3.14 for 𝜋.

a)

12.56 in2

b)

50.24 in2

c)

75.36 in2

d)

78.50 in2

e)

153.86 in2

75.

The distance halfway across the circle is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

76.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

77.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
78.
What is the radius of this circle?
a)
18
b)
36
c)
9
d)
6
79.
What is the radius of this circle?
a)
12cm
b)
6cm
c)
24cm
d)
3cm
80.
What is the diameter of this circle?
a)
3.5
b)
6.5
c)
6
d)
7
81.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
82.
What is circumference?
a)
The distance around a circle.
b)
The space inside the circle.
c)
A line from side to side passing through the center.
d)
A line from the center to the side.
83.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
a)
c = 15π
b)
c = 2π15
c)
c = π(15²)
d)
c = π(7.5²)
84.

A Circle has a diameter of 18 meters. What is the circumference of the circle? (Best Choice)

a)

9π or about 28.26 m

b)

18π or about 56.52 m

c)

81π or about 254.34m

d)

324π or about 1017.36 m

85.
Find the circumference of the circle
a)
21.98
b)
153.86
c)
43.96
d)
615.44
86.
The radius is 8 inches.  What is the circumference?
a)
50.24 inches
b)
25.12 inches
c)
12.56 inches
d)
200.96 inches
87.
What is the circumference of a circle with a radius of 21 cm?
a)
131.9 cm
b)
121.9 cm
c)
111.9 cm
d)
141.9 cm
88.
A Circle has a radius of 4.  What is the area of the circle? (Best Choice) (note: units are squared)
a)
4π or about 12.56
b)
16π or about 50.24
c)
2π or about 6.28
d)
8π or about 25.12
89.
What is π ? (Best Choice)
a)
The ratio of the circumference of any circle to its diameter.
b)
Exactly 3.14
c)
Exactly 3.1415
d)
Exactly 3.141593
90.
Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.
a)
C = π5
b)
C = (2)(π)(2.5)
c)
A = π52
d)
A = π2.52
91.
A ball has a circumference of 9.42 cm. What is the diameter?
a)
29.5788 cm
b)
59.1576 cm
c)
3 cm
d)
1.5 cm
92.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
93.

Find the radius of a circle if the circumference is 37.7 cm

a)

2cm

b)

3cm

c)

5cm

d)

6cm

94.
Here is a picture of a Ferris wheel. It has a diameter of 80 meters.How far does a rider travel in three complete rotations around the Ferris wheel?
a)
753.6 meters
b)
251.2 meters
c)
125.6 meters
d)
376.8 meters
95.
What does "circumference" mean?
a)
Space a circle takes up
b)
Distance around a circle
c)
Line from one side of a circle to another
d)
Line from center of circle to side
96.
Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?
a)
28 cm
b)
43.96 cm
c)
87.96 cm
d)
7 cm
97.
What is the area of this circle?
a)
6082.12
b)
1519.76
c)
1893.14
d)
1292.92
98.
What is the circumference of a circle with a radius of 54 m?
a)
339.12 m
b)
169.56 m
c)
84.78 m 
99.
Find the area of the circle
a)
56.52
b)
254.34
c)
1017.36
d)
113.04
100.
The radius is....
a)
a line that crosses through the center and touches each edge 
b)
the center point of a circle 
c)
a line from the center point to the edge of the circle
d)
an element in science
101.
If the radius of a circle is 12.5 meters, the diameter is ____
a)
6.25 meters
b)
125 meters
c)
25 meters
d)
50 meters
102.
Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.
a)
4 in.
b)
8 in.
c)
12 in.
d)
16 in.
103.
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?
a)
11.32 ft
b)
12.25 ft
c)
10.99 ft
d)
8.75 ft
104.
Marisa purchases a pot for her father's garden. The diameter of the bottom of the pot is 18 cm. What is the area of the pot's bottom? (Round to the nearest whole number.)
a)
28 cm²
b)
57 cm²
c)
254 cm²
d)
1017 cm²
105.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
106.
The space contained inside of a circle is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
107.

Find the perimeter of the semicircular region. Round your answer to the nearest hundredth.

a)

23.13 m

b)

28.26 m

c)

14.13 m

d)

56.52 m

108.

If a semicircle has a diameter of 12 m, what is the perimeter?

a)

60.26 m

b)

30.84 m

c)

28.51 m

d)

46.38 m

e)

17.27 m

109.

What best describes segment AB?

a)

chord

b)

radius

c)

tangent

d)

diameter

110.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
111.

What is the area of this circle? Use the Pi button.

a)

452.39 cm2

b)

139.12 cm2

c)

113.1 cm2

d)

84.23 cm2

112.
What is circumference?
a)
The distance around a circle.
b)
The space inside the circle.
c)
A line from side to side passing through the center.
d)
A line from the center to the side.
113.
What is the area of a circle?
a)
The distance around a circle.
b)
The space inside the circle.
c)
A line from side to side passing through the center.
d)
A line from the center to the side.
114.

The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase?


Would you need to find the Area or Circumference?

a)

area

b)

circumference

c)

neither

115.
What is the radius of this circle?
a)
18
b)
36
c)
9
d)
8
116.

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the distance around the bowl? Use the Pi button.

a)

21.98 cm

b)

43.98 cm

c)

87.96 cm

d)

7 cm

117.
What is the formula for area of a circle?
a)
A = π×r²
b)
A = 2×π×r
118.

Which of the following is the most accurate definition of π ?

a)

The ratio of the circumference of any circle to its diameter.

b)

It is exactly 3.14

c)

It is exactly 3.1415

d)

It is exactly 3.141593

119.
The radius is....
a)
a line that crosses through the center and touches each edge 
b)
the center point of a circle 
c)
a line from the center point to the edge of the circle
d)
an element in science
120.

Find the area of the circle below. Use 3.14 for Pi.

a)

100 cm2

b)

225 cm2

c)

9 cm2

d)

28.26 cm2

121.

What is the circumference of a circle with a diameter of 19.1 ft? Use 3.14 for Pi.

a)

60.00 ft

b)

35.17 ft

c)

28.67 ft

d)

47.17 ft

122.

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock? Use 3.14 for Pi.

a)

86.70 meters

b)

76.66 meters

c)

66.66 meters

d)

96.66 meters

123.

What is the area of this circle?

a)

201.06 square meters

b)

50.24 square meters

c)

123.12 square meters

d)

25.12 square meters

124.

What is the area of this circle?

a)

62.59 cm2

b)

113.1 cm2

c)

18.84 cm2

d)

28.26 cm2

125.

A circle has a diameter of 17 inches. What is the area?

a)

26.69 in2

b)

226.87 in2

c)

72.25 in2

d)

53.38 in2

126.

The radius of a circle is ​ (a)   the diameter.

Choose from the below words
half
twice
triple
127.
What is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
128.

Find the area.

a)

472.64in2472.64in^2  

b)

144in2144in^2  

c)

452.16in2452.16in^2  

d)

167in2167in^2  

129.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
130.
If my diameter is 19 inches, what is my radius?
a)
38 inches
b)
9.5 inches
c)
59.66 inches
d)
119.32 inches
131.
What is the area of this circle?
a)

1384.74 ft2ft^2

b)

2142.12 ft2ft^2

c)

5541.77

d)

1289.12 ft2ft^2

132.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.26 m2
133.

A circular swimming pool is 21 feet in diameter.

How many square feet is the area of the pool?

a)

693 ft2

b)

346.5 ft

c)

65.94 ft2

d)

346.2 ft2

134.
What is the distance around a circle?
a)

Circumference

b)

Area

c)

Diameter

d)

Radius

135.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
136.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
137.
What is the circumference of a circle with a diameter of 56 m?
a)
175.8 m
b)
176.8 m
c)
165.8 m
d)
186.8 m
138.

What is the formula for finding the circumference of a circle?

a)

C = r2

b)

C = rd

c)

A = π·r2

d)

C = π·d

139.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

140.
If the radius of a circle is 12.5 meters, the diameter is ____
a)
6.25 meters
b)
125 meters
c)
25 meters
d)
50 meters
141.
If the diameter of a circle is 50 yards, the radius is _____
a)
100 yards
b)
25 yards
c)
150 yards
d)
15 yards
142.

What is the area of this circle?

a)

1256.64 in2

b)

31.41 in2

c)

314 in2

d)

62.8 in2

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