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maxonik [38]
3 years ago
5

What is the sum of the interior angles of a decagon?

Mathematics
1 answer:
iren [92.7K]3 years ago
8 0
I hope this helps you




n=360/exterior angle



10=360/exterior angle


exterior angle=36


36+interior angle=180


interior angle=144



sum of decagon interior angle


10.144


1440
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