find the length of the stick if the length of its reflection is 1m and the angle of elevation from the upper part is 60degree

Asked by Ajay | 2nd Jun, 2013, 07:32: PM

Expert Answer:

In a right triangle ABC, right angled at B, let
AB = length of stick
BC = reflection of stick = 1 m
Let angle ACB = theta = 60o
We have:
tan 60 = AB/BC
root 3 = AB/1
AB = root 3 = 1.732 m

Answered by  | 3rd Jun, 2013, 10:03: AM

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