Question

What best explains whether a triangle with side lengths 5 cm, 13 cm, and 12 cm is a right triangle?

Answer 1

In a right triangle,

Perpendicular² + Base² = Hypotenuse²

P² + B² = (5)² + (12)²

P² + B² = 25+144 = 169

H² = (13)² = 169

L.H.S = R.H.S

Hence it is a right triangle