A nonagon has angles that measure 160°, 120°, 155°, 120°, 125°, 150°, 150°, 125°, and h. What is h?

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22-03-2024
Mathematics

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A nonagon has angles that measure 160°, 120°, 155°, 120°, 125°, 150°, 150°, 125°, and h. What is h?

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jadawayda10 jadawayda10 · Answer 1 · 2024-03-22T00:37:45+01:00

jadawayda10 jadawayda10

22-03-2024

A whole nonagon is 1260° in total.
And since you know 8/9 of the points you can just add & subtract.
So 160 + 120 + 155 + 120 + 125 + 150 + 150 + 125 = 1105
And 1260 - 1105 = 155
So h is 155°.

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