Question

karen, (who is 1,6m tall) wishes to calculate the height of a tall tree. she stands 50m from the base of the tree and measures its angle of elevation to be 36 degrees.
determine the height of the tree?

Answer 1

review your basic trig definitions, and draw a diagram. You will see that

(h-1.6)/50 = tan 36°

Now just solve for h.