Question

Which regular polygon would have each of its interior angles measure 140°?

octagon
nonagon
decagon
heptagon

Answer 1

nonagon

Explanation:

i got 100%

Answer 2

9514 1404 393

Answer:

nonagon

Explanation:

The adjacent exterior angle is 180° -140° = 40°. There are 360°/40° = 9 of those angles around the regular polygon, so it is 9-sided.

The polygon is a nonagon.