Question

find find the length of the hypotenuse of a right triangle with legs of 9 cm and 12 CM

Answer 1

The hypotenuse is 15 cm

Answer 2

Pythagorean's theorem

a² + b² = c²

9² + 12² = c²

81 + 144 = c²

225 = c²

√225 = c

c = 15 cm