A triangle has sides of length 7.0 cm and 25 cm.If the triangle is a right triangle,which of the following could be the length of the third side?
A)18 cm
B)24 cm
C)27 cm
D)32 cm

Question

Quizplus · Accepted Answer

In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. Here, 25 cm is the longest side, so it should be the hypotenuse. Checking: 7^2 + 24^2 = 49 + 576 = 625, and 25^2 = 625. Thus, 24 cm is the correct length for the third side.

A Triangle Has Sides of Length 7