Quiz about Area and Circumference review

Question 1

What does the red line represent?

Accepted Answer

The diameter of the circle

Answer

The circumference of the circle

Answer

The radius of the circle

Question 2

The diameter of a circle is 10 in.

What is its radius?

Accepted Answer

5 in.

Answer

20 in.

Question 3

Does this circle show the radius or diameter?

Accepted Answer

diameter

Answer

radius

Question 4

What is the radius of this circle?

Accepted Answer

10 cm

Answer

40 cm

Answer

20 cm

Question 5

Calculate the Area of the circle.

A = $$\pi$$ $$r^2$$

Accepted Answer

314 $$cm^2$$

Answer

62.8 $$cm^2$$

Answer

1256 $$cm^2$$

Question 6

What is the circumference of a circle with a diameter of 56 m?

Accepted Answer

175.8 m

Answer

176.8 m

Answer

165.8 m

Answer

186.8 m

Question 7

The radius of a circular clock is 13 centimeters. What is the area?

Accepted Answer

530.66 cm²

Answer

81.68 cm2

Answer

40.84 cm2

Answer

348.99 cm²

Question 8

Find the Circumference (round to nearest tenth):
radius = 15 yd

Accepted Answer

94.2 yd

Answer

94.5 yd

Answer

94 yd

Answer

47.1 yd

Question 9

Find the Circumference (round to nearest tenth):
diameter = 9 ft

Accepted Answer

28.3 ft

Answer

27.3 ft

Answer

28 ft

Answer

56.5 ft.

Question 10

The circumference of a circle is $$36\pi$$ units, what is the radius ?

Accepted Answer

18 units

Answer

19 units

Answer

13 units

Answer

36 units

Question 11

Radius 6 cm
What is the diameter?

Accepted Answer

12 cm

Answer

36 cm

Answer

6 cm

Answer

3 cm

Question 12

Diameter 32 inches
What is the radius?

Accepted Answer

16 inches

Answer

64 inches

Answer

96 inches

Answer

16 ft

Question 13

Find the area of the circle in terms of pi.

Accepted Answer

$$49\pi$$

Answer

$$7\pi$$

Answer

$$14\pi$$

Answer

$$28\pi$$

Question 14

What is the area of this circle in terms of pi?

Accepted Answer

$$36\pi$$

Answer

$$72\pi$$

Answer

$$12\pi$$

Answer

$$6\pi$$

Area and Circumference review

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