Question

Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) .

Answer 1

11 units will be your answer. Hope I helped :)

Answer 2

Length = √(y2-y1)² + (x2-x1)²
l = √(5 - 5)² + (9 + 2)²
l = √0² + 11²
l = √121
l = 11

In short, Your Answer would be 11 units

Hope this helps!