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Cerrena [4.2K]
2 years ago
11

Pleaseee HELPP MEE WITHH THIS QUESTION!

Mathematics
1 answer:
Zina [86]2 years ago
7 0

Answer:

1120°

Step-by-step explanation:

Use the sum of interior angles formula:

180(n-2)

Where n is the number of sides.

In a nonagon, there are 9 sides, substitute 9 for n:

180(9-2)\\180(7)\\1260

Since our nonagon is a regular nonagon, all 9 angles measure the same, so each angle measures:

\frac{1260}{9} =140

Subtract 140 from 1260:

1260-140=1120

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