anonymous one year ago 1- What is the formula for the sum of the interior angles of a polygon? 2- What is the interior angle sum of an octagon (8 Sides) 3-What is the measure of one interior angle of a hexagon (6 Sides) 4- What is the measure of one exterior angle of a regular 10-gon

1. anonymous

$\huge 180(n-2)$

2. anonymous

$$\bf \textit{sum of interior angles}=180(n-2)\qquad n=sides$$

3. anonymous

2- to get it for an octagon, well, 8 sides, n = 8 3- 6 sides, n = 6 4- 10 sides, n = 10

4. anonymous

So 180*6 for 2

5. anonymous

yeap 180 * (8-2) 180 * 6

6. anonymous

So 1080 is the answer