Asked by lydia

from a point A i observe that the angle of elevation of the top of the tree is 21 degree i walk 10m toward the foot of the tree to obtain B from where the angle of elevation of the top of the tree is 34 degree,calculate the height of the tree above the level of the observation
Answered by lydia
500
Answered by lydia
the height is 50km
Answered by oobleck
50 km? That's some tall tree. Did you draw a diagram? If so, it should be clear that the height h is found using
h cot21° - h cot34° = 10
h = 10/(cot21° - cot34°) = 8.9 m
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