Question

Charlie measured the circle-shaped part of a sun his sister drew on the chalkboard. The circumference of the circle is 75.36 cm. What is the diameter? (Use 3.14 for .)

Answer 1

The diameter of circle is 24 cm.

Explanation:

We are given the following in the question:

Circumference of circle = 75.36 cm

We have to find the diameter of the circle.

Circumference of circle =

`C =2\pi r`

where r is the radius of the circle.

Putting values, we get,

`75.36 = 2* 3.14* r\\\\r = (75.36)/(2* 3.14)\\\\r=12`

Diameter of circle =

`d=2r\\d=2* 12=24\text{ cm}`

Thus, the diameter of circle is 24 cm.