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WorksheetsM1.T1 Review (CL- 7CC)
Total questions: 197
Worksheet time: 49hrs 15mins
The distance from the center of the circle to any point on the circle is called the...
radius
diameter
area
circumference
The distance from the center of the circle to any point on the circle is called the...
radius
diameter
area
circumference
What is the radius of a circle when the diameter is 70 m?
38 m
35 m
90 m
140 m
What is the radius?
8 mm
4 mm
16 mm
What is the circle's diameter?
5 cm
10 cm
20 cm
A circle has a diameter of 36 ft. What is the radius?
18
72
14
If the radius of a circle is 8 cm, the diameter is 16 cm.
TRUE
FALSE
From the center of this CD to the edge of the CD is 4 inches. How far is the distance all the way across the CD?
16 in
8 in
12 in
2 in
Swimming from one side of this pool through the center to the other side is 12 feet. What is the radius of this pool?
32 ft
6 ft
4 ft
12 ft
Select each Radius in the image.
DA
DB
DC
BD
AC
Radius
Diameter
Center
Chord
What is this?
Center
Radius
Diameter
Circumference
What is this?
Center
Radius
Diameter
Circumference
What is this?
Center
Radius
Diameter
Circumference
What is this?
Center
Radius
Diameter
Circumference
The center is the
the line from the center of the circle to the circumference
the distance around a circle
a straight line that passes through the center of the circle
middle of a circle
The circumference is the
the line from the center of the circle to the circumference
the distance around a circle
a straight line that passes through the center of the circle
middle of a circle
The diameter is the
the line from the center of the circle to the circumference
the distance around a circle
a straight line that passes through the center of the circle
middle of a circle
The radius is the
the line from the center of the circle to the circumference
the distance around a circle
a straight line that passes through the center of the circle
middle of a circle
What is the radius of the circle?
(a)
What is the diameter of the circle?
(a)
The diameter is ______ the radius
double (kép)
half (một nửa)
D = Diameter. r = Radius. What is the equation for finding the diameter?
D = 2 x r
D = r / 2
r = 2 x D
r = D / 2
if the radius of a circle is 2 cm, what is the diameter?
8 cm
1 cm
16 cm
4 cm
if the radius of a circle is 8 cm, what is the diameter?
8 cm
1 cm
16 cm
4 cm
if the diameter of a circle is 20 cm, what is the radius?
10 cm
40 cm
5 cm
100 cm
if the diameter of a circle is 80 cm, what is the radius?
10 cm
40 cm
5 cm
100 cm
Finding the length of a fence around a circular yard.
Circumference
Area
Finding the amount of grass in a circular yard
Circumference
Area
The size of the front of an Olympic medal
Circumference
Area
The length of metal around the edge of a trampoline
Circumference
Area
The amount of metal on the top of a round jar lid
Circumference
Area
The amount of space on the top of a round drum
Circumference
Area
The size of the glass in a round magnifying glass
Circumference
Area
The length of plastic around the edge of a spinning wheel
Circumference
Area
The amount of plastic needed to coat a button face in plastic
Circumference
Area
The amount of glass needed for the front of a clock face
Circumference
Area
How "long" the outside of a circular stone is
Circumference
Area
The total length of the outside of a quarter
Circumference
Area
The amount of paint needed to paint a round canvas
Circumference
Area
The amount of plastic needed for the top of a frisbee
Circumference
Area
The amount of string needed to make a necklace
Circumference
Area
How "wide" the biggest part of a lightbulb is
Circumference
Area
What is the formula for finding the circumference of a circle?
C = r2
C = rd
A = π·r2
C = π·d
What does C represent in the formula:
C = π·d
Pi
Circumference
Diameter
Area
What does d represent in the formula:
C = π·d
diameter
radius
pi
3.14
What is the diameter of a circle?
the distance around a circle
the area of a circle
halfway through a circle
a line through the center of a circle
What is the circumference of a circle?
the distance around a circle
the area of a circle
halfway through a circle
a line through the center of a circle
What number represents π?
31.4
4.13
3.14
34.1
Find the circumference with a radius of 5.8 cm. Use 3.14 for pi.
37 cm
38.3 cm
36.4 cm
42.7 cm
Find the circumference of the circle.
31.4 cm
78.5 cm
314 cm
15.7 cm
Find the circumference of the circle.
38.47 cm
10.99 cm
43.96 cm
21.98 cm
Find the circumference of the circle.
78.5 cm
15.7 cm
7.85 cm
19.6 cm
What is the Circumference of a Circle with a radius of 8 in terms of Pi.
8π
12π
15π
16π
4π
What is the Radius of a Circle with a Circumference of 44π .
4
11
16
22
44
What is the diameter of a circle with a radius of 7 in?
3.5 in
14 in
21 in
49 in
A circular swimming pool is 21 feet in diameter. What is the circumference of the swimming pool?
65.94 ft
131.88 ft
32.97 ft
24.14 ft
The formula for the circumference of a circle is when diameter is given is,
C = πd
C = π
C = πr
C =πr2
What is the diameter of this circle?
8cm
16cm
10cm
4cm
What is the radius of this circle?
18in
36in
9in
6in
Find the circumference of the circle
87.82in
153.86in
43.96in
307.72in
What does d represent in the formula:
C = π·d
diameter
radius
pi
3.14
What number represents π?
31.4
4.13
3.14
34.1
Find the circumference of the circle.
31.4 cm
78.5 cm
314 cm
15.7 cm
If a circle has a circumference of 94.2 m, what is the diameter?
(a)
If a circle has a circumference of 94.2 m, what is the radius?
(a)
What does circumference mean?
The distance across the circle, through the center.
The distance around the circle.
The distance from the center to a point on the circle.
What does the area of a circle mean?
The distance across the circle, through the center.
The distance around the circle.
The distance from the center to a point on the circle.
What is the radius of this circle?
12 cm
24 cm
6 cm
What is the diameter of this circle?
15 in
25 in
Which segment is not a radius?
DC
CB
CD
LM
What is the circumference of this circle?
Round to the nearest tenth. 3.14 was used for π
18.8 cm
24.1 cm
What is the circumference of this circle?
3.14 was used for π
50.24 in
52.24 in
25.12 in
The diameter of the wheel on a bicycle is 24 inches. Which is closest to the circumference of the wheel?
18.84 in
75.36 in
37.68 in
452.16 in
A circular swimming pool is 20 feet in diameter. How many feet around is the pool? 3.14 was used for π
40 ft
31.4 ft
62.8 ft
125.6 ft
What is the area of this circle?
3.14 was used for π
6082.12 in2
1519.76 in2
1893.14 in2
1292.92 in2
What is the area?
3.14 was used for π
50.2 in2
100.5 in2
803.8 in2
The diameter of this pizza is 16 in.
What is the approximate area of the pizza?
3.14 was used for π
50.24 in2
25.12 in2
200.96 in2
16 in2
What is the area of a circle with the diameter of 10cm ?
Find the area of the circle below.
Miss Cansdell is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?
What is the area of this semicircle ? (d = 8 cm)
What is the area of this circle?
What is the diameter of this circle?
What is the area of this semi circle?
Fins the area of this quarter circle with a radius of 6 cm.
Find the area of this quarter circle with a radius of 18 cm.
bowl is 14 cm. What is the circumference of the
bowl?
What is the area of this shape?
45 square units
46 square units
36 square units
9 square units
If you are given the diameter, how can you calculate the radius?
Multiply the diameter by 2
Subtract 2 from the diameter
Add 2 to the diameter
Divide the diameter by 2
How do you find the CIRCUMFERENCE of a circle?
πd2
πd
2π2
πr2
How do you find the AREA of a circle?
πd2
2πr
2π2
πr2
Find the area of the triangle.
10 cm2
24 cm2
12 cm2
What it the equation to find the area of a parallelogram?
Find the area of the polygon.
45 in2
68 in2
36 in2
24 in2
What is the area of the composite figure? (use 3.14 for pi)
52.48 cm2
26.57 cm2
12.56 cm2
20.28 cm2
What is the area of the composite figure?
144 m2
111 m2
117 m2
70 m2
Calculate the area of the figure.
468 meters squared
754 meters squared
611 meters squared
1222 meters squared
Find the area of the figure.
43 sq inches
102 sq inches
129 sq inches
90 sq inches
Find the area of the compound shape.
102 square in
110 square in
124 square in
112 square in
Find the area of the shaded region.
334 km2
172 km2
658 km2
433 km2
How much fencing is needed to enclose a circular pond with diameter 12.5 feet?
37.5 feet
19.625 feet
78.5 feet
39.25 feet
The advertised size of a pizza is the diameter of the pizza. Which is the closest to the area of the crust of a 15-inch pizza?
707 square inches
177 squared inches
225 squared inches
47 squared inches
The circumference of a circle is 32 centimeters. Which is the closest to the radius?
10.2 centimeters
5.1 centimeters
16 centimeters
5.3 centimeters
Which describes the collection of all points in the same plane that are 8 1/2 inches from Point T?
circle T with a radius of 8 1/2 inches
circle T with a diameter of 8 1/2 inches
circle T with radius 17 inches
a sphere with center T and radius 8 1/2 inches
If the diameter of a circle is 18 feet, which is the closest circumference?
56.52 feet
9 feet
5.73 feet
28.26 feet
A circle with a radius of 16 centimeters is inscribed in a square. Which is the area of the shaded region?
a. 804.25 ft2
b. 1024 ft2
c. 822.94 ft2
d. 220.16 ft2
A piece of rope 94.2 inches long will enclose a circular wading pool. What is the diameter of the pond?
15 inches
47.1 inches
30 inches
31.4 inches
Tony wants to make a circular pool in this yard and put a low fence around the edge. What is the largest area pond Tony can make if he has 94 feet of fencing? Round to the nearest hundredth as you solve.
21.66 square feet
468.98 square feet
703.67 square feet
15.92 square feet
The area of a circle is 78.5 square feet. What is the circumference? Select all that apply.
5π feet
10π feet
20π
15.7 feet
31.4 feet
One small circle is completely inside a larger circle. Both circles share the same center point. Calculate the area of the shaded region. Use 3.14 for π.
a. 200.96 cm2
b. 172.70 cm2
c. 28.26 cm2
d. 196 cm2
Pizza World sells an extra large pizza that has a diameter of 20 inches. What is the area of the crust of the extra large pizza? Use 3.14 for pi.
3.14 square inches
314 square inches
10 square inches
5 square inhese
One medium circle and one small circle touch each other, and each of these circles touches the large circle. Calculate the area of the shaded region. Use 3.14 for π .
a. 376.80 cm2
b. 907.46 cm2
c. 78.5 cm2
d. 452.16 cm2
What formula do you use to find the AREA of a circle?
3.14r2
2×3.14r
l×w
21bh
What formula do you use to find the circumference of a circle?
3.14r2
2×3.14r
l×w
21bh
Find the area of a circle with a circumference of 31.5 inches. Round to the nearest hundredth as you complete the problem.
31.5 square feet
5.01 square feet
79.13 square feet
25.1 square feet
What is the area of big rectangle?
48 square inches
56 square inches
63 square inches
70 square inches
Find the perimeter of the figure.
56 m
42 m
37 m
68 m
What is the area of this shape?
45 square units
46 square units
36 square units
9 square units
Estimate the perimeter of the figure.
15 units
50 units
42 units
28 units
A neighborhood playground is replacing its wooden fencing. The fence must go around the entire playground, as well as around the sandbox. How many feet of fencing will this require?
340 ft.
170 ft.
4050 ft.
3150 ft.
The space inside an object is called it's
area
perimeter
What is the perimeter of the composite figure?
32 ft
22 ft
29 ft
31 ft
Find the perimeter of the figure.
21 yards
34 yards
16 yards
7 yards
