cutybrain6054
22.04.2020 •
Mathematics
A 27 foot long wire stretches from the top of a vertical pole to a stake in the ground 21 feet from the foot of the pole. find the measure of the acute angle that the wire makes with the ground
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Ответ:
4(5y - 10) = 170
4(5y) - 4(10) = 170
20y - 40 = 170
+ 40 + 40
20y = 210
20 20
y = 10.5
The answer is C.