Question

Referring to the figure, find the unknown

length x. (Do not use a calculator to
approximate your answer. Give the exact answer.)

Answer 1

19

Explanation:

45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.

Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.