Question

Help math math math math

Answer 1

(8-2)×180 = 6 × 180 = 1080°

Explanation:

hope this help

Answer 2

Explanation:

there is an official formula for this. this can be truly found very easily on the internet ...

the formula for the sum of all angles in a regular polygon with n sides or vertices is

(n-2)×180

so, since an octagon has 8 sides and vertices, this gives us

(8-2)×180 = 6 × 180 = 1080°

that's it ...