Question

what is the diameter of a circle with a circumference of 23.55m?

Answer 1

we have

$\begin{gathered} C=2\pi r \\ 23.55=2(3.14)r \\ 23.55=6.28r \\ \frac{23.55}{6.28}=\frac{6.28r}{6.28} \\ r=3.75 \end{gathered}$

so,

$\text{diameter}=2r=2(3.75)=7.5$

answer: diameter = 7.5 m