SOLUTION: 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. Show all calculations please

Algebra ->  Angles -> SOLUTION: 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. Show all calculations please       Log On


   

Question 1100322: 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. Show all calculations please

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
PQ has slope 1%2F3.
QR has slope -3.

Product of these slopes: %281%2F3%29%28-3%29=-1.
Angle PQR IS a right angle.