cruzsuarezjanca
22.10.2020 •
Mathematics
Help me plzzzzzzzzzz
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Ответ:
Ответ:
180(n-2)
(n is the number of sides)
180 (5 - 2)
180 (3)
540
Now add all the angles and set them equal to 540.
87 + 105 + 135 + 92 + x = 540
419 + x = 540
x = 121
Hope this helps :)