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lola15398
@lola15398
October 2021
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Сумма всех углов многоугольника равна 1620°.Найдите число его сторон
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Verified answer
Сумма n-углов = 180(n - 2) - значит
1620 = 180(n - 2)
1620 = 180n - 360
1620 + 360 = 180n
1980 = 180n
n = 1980 : 180
n = 11
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Answers & Comments
Verified answer
Сумма n-углов = 180(n - 2) - значит1620 = 180(n - 2)
1620 = 180n - 360
1620 + 360 = 180n
1980 = 180n
n = 1980 : 180
n = 11