Find the measure of interior angle of a regular octagon.
135∘
105∘
145∘
120∘
The sum of exterior angles of a regular octagon =360∘ ∴ Each exterior angle of a regular octagon =360∘8=45∘
Each interior angle of a regular octagon =180∘−45∘=135∘
The sum of all interior angles of a regular polygon is 1080∘. What is the measure of each of its interior angles ?
(a) 135∘ (b) 120∘ (c) 156∘ (d) 144∘
The sum of all interior angles of a regular polygon is 1080∘. What is the measure of each of its interior angles?(a) 135∘(b) 120∘(c) 156∘(d) 144∘
Find the measure of each angle of a regular octagon.