From a point on the ground the angle of a tower is cheese. Moving150 meters away from that point the angle of elevation was found to be y degree. If tanx=3/4and tany=5/7find the height of the tower
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Answer:
2250m
Step-by-step explanation:
tan x = a/BC
3/4 = a/BC
BC = 4/3 a. -----[1]
tan y = a/BC+150
5/7 = a/BC+150
BC = (7a - 750)/5. -------[2]
from [1] and [2]
(7a-750)/5 = 4/3a
21a - 2250 = 20a
a = 2250 m
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