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MakcuM [25]
3 years ago
7

I don't know if it's supposed to do with (n-2)180 Also please explain :D

Mathematics
1 answer:
Sindrei [870]3 years ago
6 0

Step-by-step explanation:

sum \:  of \:  interior  \\ \:  angels  \: is  \: 2340 \:  degrees. \\ (n−2)⋅180=2340 \\ 180n - 360=2340  \\ 180n = 2700 \\ n=15 \\  number \:  of \:  sides=15

the polygon is 15 sided.

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