Question

Triangle PQR has vertices at the following coordinates: P(0, 1), Q(3, 2), and R(5, -4). Determine whether or not triangle PQR is a right triangle

Answer 1

PQR is a right triangle because if you graph the triangle, the sides RP and RQ are perpendicular and form a right angle at R.

Explanation:

Answer 2

Triangle PQR is not a right triangle