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Given Circumference Find Radius

Authored by Barbara White

Mathematics

7th Grade

CCSS covered

Given Circumference Find Radius
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

4 in.

8 in.

12 in.

16 in.

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The circumference is 62.8 inches. What is the radius?

20 inches

10 inches

6.28 inches

31.4 inches

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the area of a circle is 78.5 in² , then the diameter is?

10 in

5 in

25 in

pi in

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the circumference of a circle is 69.08 ft, what is the radius?

22 ft

11ft

π ft

no ft

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the circumference of a circle is 44 π feet, what is the radius?

22 ft

44 ft

33 feet

3.14 feet

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If the area of circle is 314 , find the radius of the circle.

10 π

10

50

50 π

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The Circumference of a circle is 62.8 mi. Find the diameter of the circle. Use 3.14 for π and round to the nearest tenth.

r = 3

r = 10

r = 20

r = 31.4

Tags

CCSS.7.G.B.4

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