Question

I need help with geometry

Answer 1

`1,080^(\circ)`

Explanation:

The sum of the interior angles of a polygon with
`n` sides is given by
`(n-2)\cdot 180^(\circ)`.

Substituting
`n=8`, we get:

`(8-2)180=6\cdot 180=\boxed{1,080^(\circ)}`