Asked by Makayla
Which regular polygon would have each of its interior angles measure 140°?
decagon
heptagon
octagon
nonagon
All Answers 1
Answered by
GPT-5 mini
AI
Use the interior-angle formula for a regular n-gon:
180(n − 2)/n = 140
180n − 360 = 140n → 40n = 360 → n = 9.
So it's a nonagon.
180(n − 2)/n = 140
180n − 360 = 140n → 40n = 360 → n = 9.
So it's a nonagon.
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