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antiseptic1488 [7]
2 years ago
12

Please help me >_< will give out brainliest

Mathematics
1 answer:
ryzh [129]2 years ago
8 0
<h3>Answer:  1080</h3>

====================================================

Explanation:

We have an octagon because there are n = 8 sides. The diagram below shows one way to number the sides so you can count them efficiently (without missing any or double counting any).

----------------

Plug n = 8 into the formula below

S = 180(n-2)

S = 180(8-2)

S = 180(6)

S = 1080

The 8 interior angles add up to 1080 degrees.

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