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Unit #10, Lesson #2 - Circumference of a Circle

Authored by Andrew Kiebala

Mathematics

9th - 12th Grade

CCSS covered

Used 14+ times

Unit #10, Lesson #2 - Circumference of a Circle
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10 questions

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1.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Which of the following can be used to find the circumference of a circle? (Check all that apply.)

C = πr2

C = πd

C = 2πr

C = 2πd2

Tags

CCSS.7.G.B.4

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

What is the circumference of a circle whose diameter is 18 cm? (Check all that apply.)

18π

113.1

56.5

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The radius of a circle is 4.5 cm. What is the best approximation of its circumference?

28.3 cm.

7.1 cm.

14.1 cm.

56.5 cm.

Tags

CCSS.7.G.B.4

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

What is the circumference of a circle whose diameter is 2.25 cm? Round your answer to the nearest tenth of a cm. (Don't input a label.)

Tags

CCSS.7.G.B.4

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

What is the circumference of a circle whose radius is 8.7 cm. Round your answer to the nearest hundredth. (Don't insert a label.)

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A circle has a circumference of 37.7 cm. What is the length of its diameter?

12

6

24

18

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A circle has a circumference of 70.37 cm. What is the length of its radius?

22.4

44.8

11.2

20.6

Tags

CCSS.7.G.B.4

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