Question

At a point on the ground 15 feet from the base of a tree the distance to the top of the tree is 1 foot more than two times the height of the tree find the height of the tree

Answer 1

Do you ever draw diagrams of these geometric problems?
15^2 + h^2 = (2h+1)^2
h = 8

Recall the familiar 8-15-17 right triangle