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Circumference of Circles

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Circumference of Circles
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What formula is used to find the distance around a circle?

Area

Surface area

Circumference

Volume

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diameter 13.5 in
Find the circumference of the circle.

84.79 in

42.39 in

21.195 in

572.265 in 

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Other than the formula C=πd what is another formula for circumference of a circle?

C=2π

C=2πr

C=πr²

C=πd²

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the problem ask you to find the distance around a circle, which formula should you use?

r = 1/2d

d = 2r

C = πd

A = πr²

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

what is the circumference of this circle ?

3.14 cm 

37.68 cm

24 cm

68.4 cm

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Radius 4 inches
Find the circumference of the circle. 

25.12 in

12.56 in

50.24 in

200.96 in

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the diameter?

8

16

10

4

Tags

CCSS.7.G.B.4

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