a boy is 20m away from a tree, and he observes that the angle of elevation of a bird on the tree is 58°. He is 1.7m tall. How high is the tree?
36.5
A boy is 20m away from a tree , and he observe that the angle of elevation of of a bird on the tree is 58degree. He is1.7m tall. How high is the tree ?
Solve the equation
If h is the height of the bird above his eyes, then
h/20 = tan58°
Find h, and then you can get the height of the tree.