Question

What is the sum of the interior angle of a regular 20-sided polygon?

Answer 1

`3240^(0)`

Explanation

n = Number of sides

Sum of interior angles of a regular polygon = (n - 2) x
`180^(o)`

= (20 - 2) x
`180^(o)`

= 18 x
`180^(o)`

=
`3240^(o)`