Question 1

What is the diameter of a circle with a radius of 4 meters?

Accepted Answer

8 meters

Answer

2 meters

Answer

16 meters

Answer

12 meters

Question 2

What is the circumference of a circle with a radius of 6 meters?

Accepted Answer

12π meters

Answer

36π meters

Answer

72 meters

Answer

6π meters

Question 3

If the area of a circle is 64π cm², what is the radius of the circle?

Accepted Answer

8 cm

Answer

4 cm

Answer

32 cm

Answer

16 cm

Question 4

What is the formula to find the area of a circle?

Accepted Answer

πr²

Answer

πr

Answer

r²

Answer

2πr

Question 5

A circular garden has a radius of 10 feet. What is its area?

Accepted Answer

314.16 square feet

Answer

200 square feet

Answer

100 square feet

Answer

400 square feet

Question 6

A circular pizza has a radius of 8 inches. What is its circumference?

Accepted Answer

50.24 inches

Answer

56 inches

Answer

32 inches

Answer

40 inches

Question 7

The radius of a circle is 5 cm. What is the circumference of the circle?

Accepted Answer

10π cm

Answer

25π cm

Answer

5π cm

Answer

20π cm

Question 8

If the circumference of a circle is 18π cm, what is the radius of the circle?

Accepted Answer

9 cm

Answer

6 cm

Answer

12 cm

Answer

3 cm

Question 9

If the area of a circle is 36π cm², what is the radius of the circle?

Accepted Answer

6 cm

Answer

12 cm

Answer

9 cm

Answer

3 cm

Question 10

If the circumference of a circle is 30 cm, what is the radius of the circle?

Accepted Answer

4.77 cm

Answer

2.5 cm

Answer

7.5 cm

Answer

15 cm

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