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Circumference and Area of Circles

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Circumference and Area of Circles
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circle has a circumference of 9π in. What is the area?

81π in2

4.5π in2

20.25π in2

9π in2

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost? Use 3.14 for π!

$9.42

$7.07

$3.53

$4.71

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the area of the yellow?

25π m2

5π m2

6.25π m2

1.25π m2

Tags

CCSS.HSG.C.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A ball has a circumference of 9.42 cm. What is the diameter?  Round to the nearest hundredth!

29.59 cm

4.71 cm

3 cm

18.84 cm

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth.

1017.36 in2

508.68 in2

56.52 in

113.04 in

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circular ground has an area of 144π sq ft. Jenny rides the bike around it. How far does she travel to complete a single round? 

72π ft

12π ft

24π ft

6π ft

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool? Round to the nearest hundredth!

32.99 ft

42 ft

65.97 ft

131.95 ft

Tags

CCSS.7.G.B.4

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