Question

Find the measures of an interior angle and an exterior angle of the indicated regular polygon. Regular 20-gon interior angle exterior angle

Answer 1

`\begin{gathered} \text{Please one interior angle =}(180(n-2))/(20),\text{ n =20} \\ \text{Interior angle = }(180(20-2))/(20)=(180*18)/(20)=162 \\ \end{gathered}`
`\begin{gathered} \text{One exterior angle = }(360)/(n) \\ =(360)/(20)=\text{ 18} \end{gathered}`