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150 Quiz: Circumference & Area of Circles

Last updated almost 5 years ago

6 questions

2

2

2

2

2

2

Question 1

1.

What is the diameter of the circle?

4.5 meters

9 meters

18 meters

Question 2

2.

What is the circumference of the circle? Leave your answer in terms of π. Use C = πd or C = 2πr.

4.5π meters

9π meters

18π meters

Question 3

3.

What is the area of the circle? Leave your answer in terms of π. Use A = πr2

5π centimeters2

10π centimeters2

20π centimeters2

100π centimeters2

400π centimeters2

Question 4

4.

Find the circumference of the circle whose diameter is 14. Leave your answer in terms of π. Use C = πd or
C = 2πr.

7π

14π

28π

49π

Question 5

5.

The circumference of a circle is 18π. What is the radius of the circle?

4.5

9

18

36

Question 6

6.

The circumference of a circle is 20π. What is the area of the circle? Leave your answer in terms of π. Use
A = πr2

10π

20π

100π

400π