Question

Find x:

Answer 1

Because this is a right triangle, we can utilize the Pythagorean theorem: a^2 + b^2 = c^2
Filling in for your variables, 22^2 +x^2 = 25^2.
484 + x^2 = 625 (subtract 484 from both sides)
x^2 = 141 (square root both sides)
x = √141