help please! :(

"To estimate the height of a tree, Tia and Felix walk away from the tree until the angle of sight with the top and bottom of the tree is a right angle. Let h represent the height of a person's eyes and d represent the distance away from the tree. Answer parts a to c below."
(multiple parts, but only a is showing rn)

a. If the height of Tia's eyes is 1.6 m and her distance away from the tree is 2.5 m, what is the height of the tree?
The height of the tree is about ___ meters/square meters.
(insert #, then choose one).
(Type an integer or decimal rounded to the nearest hundredth as needed.)​

help please To estimate the height of a tree Tia and Felix walk away from the tree until the angle of sight with the top and bottom of the tree is a right angle class=