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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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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°

User Dawg
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7.8k points

1 Answer

5 votes

Answer: C

Explanation:

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

User Paho
by
7.8k points
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