Which of the following sets of numbers could represent the side lengths of a right triangle?
(a) 5, 8, 12
(b) 5, 9 ,12
(c) 5, 10, 13
(d) 5, 12, 13

Relax

Respuesta :

If it is a right triangle, then those 3 numbers have to satisfy this equation:
longest side ^2 (or) hypotenuse ^2 = side1 ^2 + side2 ^2

Only (d) 5, 12, 13 meets this requirement.