wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Circle Area Circumference Terms Pi

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

In words, describe this formula

a)

The area of a circle is equal to pi times the radius squared

b)

The circumference of a circle is equal to the pi times the diameter.

c)

The circumference of a circle is equal to pi times the radius squared

d)

The area of a circle is equal to pi times the diameter

2.

Find the area of the circle, leaving your answer in terms of π

a)

121π cm2

b)

22π cm2

c)

484π cm2

d)

121π m2

3.

Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?

a)

10 in

b)

2.5 in

c)

15.7 in

d)

31.4 in 

4.

A circular swimming pool is 21 feet in diameter. What is the circumference of the pool?

a)

10.5 ft

b)

42 ft

c)

65.94 ft

d)

131.95 ft

5.

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 (use 3.14 for pi)?

a)

11.32 ft

b)

12.25 ft

c)

10.99 ft

d)

8.75 ft

6.

What is the circumference of a circle with a radius of 5 in terms of π ?

a)

5 π square units

b)

10 π square units

c)

25 π square units

d)

50 π square units

7.

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

a)

530.66 cm2

b)

81.68 cm2

c)

40.84 cm2

d)

348.99 cm2

8.

find the area of the circle with radius 3 cm below.

a)

100 cm2

b)

225 cm2

c)

9 cm2

d)

28.26 cm2

9.

Find the area of the circle

a)

43.96

b)

153.86

c)

87.82

d)

307.72

10.

What is the area of this circle? Leave your answer in terms of π\pi  .

a)

40π in240\pi\ in^2  

b)

314.16π in2314.16\pi\ in^2  

c)

100π in2100\pi\ in^2  

d)

400π in2400\pi\ in^2