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I have a problem with a concept in math and I want to know how to solve it

I have a problem with a concept in math and I want to know how to solve it-example-1

1 Answer

6 votes

Given

diameter = 5 inches

d: diameter

Procedure

the formula for the circumference of a circle is 2 x pi x r(radius).

r = d/2

r = 5/2 = 2.5 inches


\begin{gathered} C=2\pi r \\ C=2\cdot3.14\cdot2.5 \\ C=15.7\text{ inches} \\ \end{gathered}

The answer would 16 inches (rounded)

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