Question

A certain coin is a circle with diameter 22 mm. What is the exact area of each side of the​ coin?

Answer 1

Answer is 69.14

Explanation:

`given \: diameterofa \: circl e \: is \: 22mm \\ radius \: = (22)/(2) = 11 \: mm \\ area \: of \: side \: of \: the \: coin \: = circumference \\ we \: know \: that \: circumference \: = 2\pi \: r \\ here \: r = 11 \: mm \\ circumference = 2 * (22)/(7) * 11 \\ = 69.14 \:`