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Circumference Problems

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Circumference Problems
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12 questions

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1.

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 = d/2

d = 2r

C = πd

A = πr²

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which formula would you use to answer: Lauren's bicycle tire has a diameter of 20 inches. How many inches is one full revolution of the wheel?

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Circle A has a radius of 21 meters. What is its circumference?

131.88

65.94

207.05

103.53

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The diameter of the circle is 18 m. Eugene incorrectly says that the circumference of the circle is about 113.04 m. What is the circumference of the​ circle? What mistake did Eugene ​make? Use 3.14 for π.

Eugene used 9 instead of 18 for diameter.

Eugene did not multiply by 3.14.

Eugene used 36 instead of 18 for diameter.

Eugene squared the diameter.

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How much fencing is required to enclose a circular garden whose radius is 14 ​m?

43.96

87.92

138.03

276.35

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the circumference of the circle in terms of π.

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Circle Y has a radius of 22 meters and Circle Z has a radius of 27 meters. Find the circumferences of each circle. By how many meters is the circumference of Circle Z greater than the circumference of Circle​ Y?

Tags

CCSS.7.G.B.4

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