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Worksheets

Circle Diameter and Radius

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Find the diameter!

a)

A. 18 km

b)

b. 4.5 m

c)

C. 18 m

d)

D. 27 m

2.

The radius of this circle is ....

a)

A. 15 cm

b)

B. 20 mm

c)

C. 10 mm

d)

D. 15 mm

3.

The radius of this circle is .....

a)

A. 12 km

b)

B. 13 km

c)

C. 14 km

d)

D. 15 km

4.

The radius ....

a)

A. DI

b)

B. IR

c)

C. RI

d)

C. BD

5.

What is the diameter?

(a)  

6.

What is the radius?

(a)  

7.

Diameter ....

a)

BD

b)

IR

c)

DR

d)

DI

8.

Radius ....

a)

A. GT

b)

B. TG

c)

C. AG

d)

D. OG

9.

Find the diameter in this picture!

a)

A. ED

b)

B. OC

c)

C. DC

d)

D. BA

10.

Radius of this circle is ....

a)

A. 6 cm

b)

B. 6 m

c)

C. 24 cm

d)

D. 24 m

11.

The radius of this circle is ....

a)

A. 32 m

b)

B. 32 m

c)

C. 8 m

d)

D. 8 km

12.

If ST = 32 cm and WT = 20 cm, then the radius of this circle is .....

a)

A. RS = 10cm

b)

B. VT = 10 cm

c)

C. TW = 10cm

d)

D. RV = 10 cm

13.

If OC = OA = 5 cm, then the diameter of this circle is ....

a)

A. 10 mm

b)

B. 100 mm

c)

C. 5 cm

d)

D. 100 cm

14.

The radius of this circle is .....

a)

A. 25 cm

b)

B. 25 mm

c)

C. 50 cm

d)

D. 100 mm

15.

Diameter ....

a)

A. TG

b)

B. TO

c)

C. GA

d)

C. TA

16.

Mention the radius ....

a)

A. BE

b)

B. EF

c)

C. CE

d)

D none

17.

A straight line segment that passes through the center of a circle and whose endpoints lie on the circumference of the circle is called the ____.

a)

Diameter

b)

Radius

c)

Circumference

d)

Area

18.

A straight line from the center of a circle to the circumference is called the ____.

a)

Diameter

b)

Circumference

c)

Radius

d)

Area

19.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

20.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter