Radius and Diameter 1
 
 
 
 
 
 
What is the radius of the circle?

25 cm

10 cm

 5 cm

2 cm

10 cm
 
 
What is the diameter of the circle?
 4 in

2 in

1 in

8 in

2 in
 
 
 
What is the radius of the circle?

40 mm

5 mm

 10 mm

20 mm

20 mm
 
 
What is the diameter of the circle?

5 mm

10 mm

 20 mm

2 mm

10 mm
 
 

What is the line showing on the circle?

radius

 diameter
 
 
What is the line showing on this circle?
 radius

diameter

 
 
What is the radius of this circle?

16 m

4 m

 8 m

2 m

8 m
 
 
What is the diameter of this circle?

8 m

4 m

 16 m

2 m

8 m
 
 
 
 
Name three radii
AD , MC , AB

AM , BM , CM

D
A
M
B
C
 
 
 
 
Name a diameter

AB

D
A
M
AD
B
C
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