What is the diameter of a circle if its circumference is 25.8 inches?

1 Answer
Mar 13, 2018

Answer:

Diameter: #~~ 8.212395064# inches (or)

Diameter: #~~ 8.21# inches (3 significant figures)

Explanation:

Given:

The circumference of a circle = #25.8# inches.

We must find the diameter of the circle.

The formula to find the circumference of a circle when the diameter (D) is given:

Circumference#= pi D#
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To find the diameter using circumference, we need to rearrange our formula as shown below:

Diameter (D) = Circumference #/pi#

#rArr 25.8/3.14159 ~~ 8.212395064#

Hence,

Diameter = #8.21# inches in 3 significant figures.

This is the final answer.