 Area and Circumference of a Circle
26 minutes ago
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• Question 1
180 seconds
Q.

Which best represents the circumference of a circle with a radius of 12 inches?

37.68 inches

75.36 inches

62.14 inches

27.14 inches

• Question 2
180 seconds
Q.

Which best represents the area of a circle with a radius of 8 inches?

200.96 inches

50.24 inches

192.14 inches

31.4 inches

• Question 3
180 seconds
Q.

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

19 units

13 units

36 units

18 units

• Question 4
30 seconds
Q.

The most popular size pizza at Pizza Parlor is a large pizza with a 12-inch radius. Which of the following best represents the circumference of this pizza?

62.84 inches

60 inches

75.36 inches

452.16 inches

• Question 5
180 seconds
Q. If my radius is 10ft, what is my diameter?
20ft
5ft
31.4ft
62.8ft
• Question 6
180 seconds Q. A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
31.25 m2
29.55 m2
30.36 m2
28.26 m2
• Question 7
180 seconds Q.

Does 7 inches represent the diameter or radius of the circle?

Diameter

• Question 8
180 seconds
Q. What is the distance around a circle?
Circumference
Area
Diameter
• Question 9
900 seconds Q.

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

11.32 ft

12.25 ft

10.99 ft

8.75 ft

• Question 10
180 seconds Q.

What is the area of this circle?