One of the angles of a regular octagon is 135°. What is the sum of the measures of all the interior angles of this octagon? A. 720° B. 1056° C. 1080° D. 1584°

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asked Apr 7, 2023 46.9k views

19 votes

One of the angles of a regular octagon is 135°. What is the sum of the measures of all the interior angles of this octagon?

A. 720°
B. 1056°
C. 1080°
D. 1584°

Mathematics
high-school

Dawg asked

by Dawg

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1 Answer

5 votes

Answer: C

Explanation:

Since an octagon has 8 interior angles, the sum of the measures is 135(8)=1080.

Paho answered Apr 13, 2023

by Paho

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