In the diagram below, BC = QR = x, AC = PR = y, and triangle PQR is a right triangle. Use the drop-down menus to complete the proof that if the equation
22 + y2 = z2 is true of the side lengths in triangle ABC, then triangle ABC must be a right
triangle
А
P
N
у
Сх
B
R
Q.
x² + y2 = 22
Triangle PQR is a right triangle