A student stands 20m away from the foot of a tree and observes that the angle of elevation of the top of the tree , measured from a table 1.5m above the ground, is 34°28'. Calculate the height of the tree to nearest metre.

Answer 1

as always, draw a diagram. It should be clear that the height h can be found using

(h - 1.5)/20 = tan34°28'

Answer 2

Yes