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Circle Quizizz #4

Total questions: 38

Worksheet time: 58mins

Name
Class
Date
1.

An architect is making a plan for a new circular playground. If the picture below is the playground, how much fencing needs to go up to keep the kids in the circle? Use 3.14 for π.

a)

3,215 m

b)

201 m

c)

402 m

d)

100 m

2.

The first Ferris wheel was built in 1893 in Chicago. Its diameter was 250 feet. How many feel did the Ferris wheel rotate with one complete turn? (Think the outside measurement of the circle.) Use 3.14 for π.

a)

785 ft

b)

390 ft

c)

912 ft

d)

543 ft

3.

The circumference of a circle is 36.31 meters. What is the approximate length of the radius? Use 3.14 for π.

a)

3 m

b)

4 m

c)

5 m

d)

6 m

4.

The circumference of a circle is 18.41 feet. What is the approximate length of the radius? Use 3.14 for π.

a)

3 ft

b)

5 ft

c)

7 ft

d)

8 ft

5.

A bicycle trail in the shape of a circle has a diameter of 3 miles. Kiersty biked around the trail 4 times. About how far did Kiersty bike? Use 3.14 for π.

a)

38 miles

b)

40 miles

c)

35 miles

d)

33 miles

6.

The radius of a birthday cake is 4 inches. Icing will decorate the circumference of the cake. What procedure can be used to find the approximate circumference of the cake? Use 3.14 for π.

a)

Multiply 4 by 3.14.

b)

Multiply 4 by 2, and then multiply the product by 3.14.

c)

Multiply 4 by 4, and then multiply the product by 3.14.

d)

Divide 4 by 2, and then multiply the quotient by 3.14.

7.

Mrs VanSciver bought a circular rug. The radius of the rug was 2.5 feet. How does the diameter of the rug compare to the radius? Use 3.14 for π.

a)

The diameter of the rug is twice the radius.

b)

The radius is twice the circumference.

c)

The diameter of the rug is half the radius.

d)

The diameter is twice the circumference.

8.

Mr. Blain designed a circular walkway in front of his house. The diameter of the walkway is about 6 feet long. How many square feet of bricks will he need to buy? Use 3.14 for π.

a)

18.84 square feet

b)

113.04 square feet

c)

9.42 square feet

d)

28.26 square feet

9.

The circle represents a tablecloth that Angie bought. She wants to sew fringe along the edge of the tablecloth. How many of fringe does she need to buy? Use 3.14 for π.

a)

12.4 ft

b)

7.9 ft

c)

19.6 ft

d)

15.7 ft

10.

Alejandra is making a tablecloth. Her table has a 7 foot diameter. How many square feet of material does she need to use? Use 3.14 for π.

a)

10.9 square feet

b)

153.9 square feet

c)

38.5 square feet

d)

21.9 square feet

11.

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

a)

A = 152π

b)

A = 2π15

c)

A = 7.52π

d)

A = 15 π

12.

The radius of this pizza is 9 ½ in. What is the approximate area of the pizza?

a)

81 in2

b)

29.83 in2

c)

59 ⅔ in2

d)

283 ½ in2

13.

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section? Express answer to the nearest square foot. (Hint: the 3 sections together are 1/2 a circle, so each section is how much of the circle?)

a)

1 sq. ft

b)

13 sq. ft

c)

3 sq. ft

d)

26 sq. ft

14.

This crop circle has a diameter of 118 ft. What is the approximate area of the crop circle?

a)

370.5 ft2

b)

43,721.4 ft2

c)

10,930.34 ft2

d)

185.26 ft2

15.

Jalen skates at a circular rink that has a radius of 4 yards. If he uses 3.14 for

 π,\pi,  what area would he estimate for the skating rink?

a)

50.24  yds2yds^2  

b)

25.12 yds2yds^2  

c)

38.92  yds2yds^2  

d)

4.13  yds2yds^2   

16.

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

17.

Ms. Green 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?

a)

49.2 cm2

b)

45.6 cm2

c)

50.24 cm2

d)

55.9 cm2

18.

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be? Use π = 3.14. (You are going to have to find the diameter then radius before finding area.)

a)

50.24 in.2

b)

200.96 in2

c)

12.56 in. 2

d)

78.88 in.2

19.

The line segment between the center and a point on the circle

a)

Radius

b)

Diameter

c)

Chord

d)

Tangent

20.

What is the radius of this circle?

a)

18 in

b)

36 in

c)

9 in

d)

8 in

21.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
22.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
23.

Find the area of the circle

a)

56.52 in2

b)

254.34 in2

c)

1017.36 in2

d)

113.04 in2

24.

Find the area of the shaded region using the formulas.

a)

(4 x 8) + (3.14 x 12)

b)

(3.14 x 12) - (4 x 8)

c)

(4 x 8) - (3.14 x 22)

d)

(4 x 8) - (3.14 x 12)

25.

You buy a pizza. The diameter of the pizza is 16 Inches. You only eat half of the pizza. how many square inches of pizza did you eat?

a)

200.96

b)

100.48

c)

48

d)

24

26.

You want to put fencing around the edge of a garden. The circular garden has a radius of 6 feet. How long will your fence be?

a)

18.84

b)

113.04

c)

37.68

d)

56.52

27.

Find the composite area.

a)

6.28

b)

24

c)

40

d)

38.28

28.

Which shape has more shaded area?

a)

Shape 1 - one big circle

b)

Shape 2 - 4 small circles

c)

They have the same shaded area

29.

What is the area of the shaded region?

a)

625 ft2625\ ft^2

b)

156.25Π ft2156.25\Pi\ ft^2

c)

625 − 156.25Π ft2625\ -\ 156.25\Pi\ \ ft^2

d)

469Π ft2469\Pi\ ft^2

30.
What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)
a)
18.5
b)
11.3
c)
20.3
d)
22.6
31.
What is the area of this composite shape? (Use 3.14 = π and round to the nearest tenths place)
a)
21
b)
19.2
c)
40.2
d)
42
32.
Find the perimeter of the figure.  Use 3.14 for pi.
a)
20.56 in.
b)
17.3 in.
c)
17.8 in.
d)
31.88 in.
33.

Find the composite area.

a)

6.28

b)

24

c)

40

d)

38.28

34.
A ceiling fan is pictured above. The tip of one of the fan blades is labeled point A.  Point A is 28 inches away from the center of the fan. About how far does point A on the fan travel when the fan blades make one full revolution?
a)
28 inches
b)
56 inches
c)
176 inches
d)
88 inches
35.
A semicircle opening above the entrance at Six Flags has a diameter of 15 feet.  What is the area of this opening?  Round to the nearest tenth.
a)
706.5 square feet
b)
47.1 square feet
c)
88.3 square feet
d)
176.6 square feet
36.

Find the area of the composite figure. Round your answer to the nearest tenth.

a)

32.4 mm2

b)

36.4 mm2

c)

39.4 mm2

d)

42.4 mm2

37.

Find the area of the composite figure. Round your answer to the nearest tenth.

a)

122.1 m2

b)

128.1 m2

c)

134.1 m2

d)

138.1 m2

38.

Find the area of this trapezoid.

a)

41 yd2

b)

45 yd2

c)

44 yd2

d)

43 yd2