Question

Help me please please

Answer 1

81.7 in (nearest tenth)

Explanation:

`\textsf{Circumference of a circle}=\sf 2 \pi r\quad\textsf{(where r is the radius)}`

Given:

• r = 13 in

Substituting given value into the formula:

`\begin{aligned}\implies \textsf{Circumference} & =2 \pi \cdot 13\\ & = 26 \pi\\ & = 81.7\: \sf in\:(nearest\:tenth)\end{aligned}`