Question

The vertices of a right triangle are (–3, 5), (4, –1), and (4, y).

What is the value of y?
A.–3
B.–1
C.4
D.5

Answer 1

The vertices of a right triangle are (–3, 5), (4, –1), and (4, 5)

Answer 2

The last point will have to be (4, 5) to complete the right angle.

So 'y' is 5.