Question

Two sides of a right triangle have lenths of 4 centimeters and 7 centimeters. The thirs side is not the hypotnuse. how long is the third side?

Answer 1

The hypotenuse is ALWAYS the biggest number.

So, the hypotenuse is 7

${a}^{2} + {4}^{2} = {7}^{2} \\ {a}^{2} + 16 = 49 \\ \: \: \: \: \: \: - 16 \: - 16 \\ {a }^{2} = \:33 \\ \sqrt{33} = 5.74$

Answer: 5.74cm