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Circumference, Diameter and Radius

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

Name the part of the circle pointed by the arrow.

a)

Radius

b)

Diameter

c)

Circumference

d)

Arc

2.

Name the part of the circle pointed by the arrow.

a)

Radius

b)

Diameter

c)

Circumference

d)

Arc

3.

Name the part of the circle pointed by the arrow.

a)

Radius

b)

Diameter

c)

Chord

d)

Arc

4.

Name the part of the circle pointed by the arrow.

a)

Radius

b)

Diameter

c)

Chord

d)

Arc

5.

Find the diameter of a circle if its radius is 7.5 meters. (Type the answer including the units)

(a)  

6.

Find the diameter of a circle if its radius is 8.42 inches. (Type the answer including the units)

(a)  

7.

Find the radius of a circle if its diameter is 12.8 feet. (Type the answer including the units)

(a)  

8.

Find the radius of a circle if its diameter is 15.9 centimeters. (Type the answer including the units)

(a)  

9.

Find the circumference of a circle if its diameter is 10 inches. Use 3.14 for an approximation of π\pi  . (Include the units in your answer)



(a)  

10.

Find the circumference of a circle if its radius is 8 centimeters. Use 3.14 for an approximation of π\pi  . (Include the units in your answer)



(a)