Question

i don't know how to setup the equation and neither getting the answer, please help, i only need question 4 btw

Answer 1

The sum of exterior angles of a regular polygon is 360 degree.

Determine the measure of last exterior angle of a regular pentagon.

`\begin{gathered} 52+87+90+43+x=360 \\ x=360-272 \\ =88 \end{gathered}`

So measure of last angle of a regular pentagon is 88 degree.