Question

Which polygon has
an interior angle sum of
1080°?

Answer 1

It's an octagon. So should be the first one with 8 points.

Explanation:

Answer 2

Octagon

Explanation:

An octagon has eight sides, so the sum of the angles of the octagon is 180(8 – 2) = 180(6) = 1080 degrees.

Because the octagon is regular, all of its sides and angles are congruent