the angle of elevation of the top of a tower from two points A and B at distances of d and 4d respectively from the base of the tower and in the same straight line with it are complementary prove that the height of the tower is 2d
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Answer:
2d
Step-by-step explanation:
h²=(d*tand)(4d*tan4d)
now two angles are complementary
then tandtan4d equals to 1
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