Each interior angle of a regular nonagon has a measure 13x+10°. What is x?

Kdhp asked Jul 12, 2022

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Kdhp asked Jul 12, 2022

by Kdhp

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19 votes

Answer:

Explanation:

A nonagon has nine sides.

The sum of exterior angles = 360°, so each exterior angle is 360°/9 = 40°.

Each interior angle = 180°-exterior angle = 140°.

13x + 10° = 140°

x = 10°

Bjoster answered Jul 18, 2022

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