use the Pythagorean Theorem to find the height.
Just to save yourself some time, you might learn a few basic integer-sided right triangles
3-4-5
8-15-17
7-24-25
and their multiples
These tend to pop up frequently in problems
A guy wire is 25 m long. It is attached to an anchor on the ground 7 meters from the base of the TV shower. How y’all is the tower
3 answers
169 - 144= 25 :)
13^2 - 12^2 = 5^2
5 12 13
my favorite
13^2 - 12^2 = 5^2
5 12 13
my favorite
7^2 + y^2 = 25^2.