hany90
08.05.2021 •
Mathematics
A man observes two vertical poles which are fized opposite to each other on
either side of the road. If the width of the road is 90 feet and heights of the
pole are in the ratio 1:2, also the angle of elevation of their tops from a point between the line joining the foot of the poles on the road is 60°. Find the heights of the poles.
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Ответ:
12 + 7 = 19
19 / 2 = 9.5
2 + 9 = 11
11 / 2 = 5.5
(9.5, 5.5)