Applying the understanding of the circumference of a circle to solve problems

What is the radius of this shape?

• 5

• 10

• 2.5

• 7.5

What is the radius?

(half way across)

The radius is 4. What is the diameter?

• 2

• 6

• 8

What is the Raidus of a circle if the diameter is 46?

• 93

• 92

• 24

• 23

What is the radius?

• 8 in

• 4 in

• 16 in

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

if the radius is 9,then what is the diameter?

• 18

• 7

• 1

• 9

Use the dimensions shown to find the radius of the medium candle.

If the radius is 10ft, what is the diameter?

• 20ft

• 5ft

• 10ft

Find the diameter of a circle with a radius of 2 in.

• 1 in.

• 4 in.

• the diameter cannot be found

• 2