You’re given two side lengths of 3 centimeters and 5 centimeters. Which measurement can you use for the length of the third side to construct a valid triangle?
If we assume the hypotenuse is of side length 5: a^2+b^2=c^2 3^2+b^2=5^2 9+b^2=25 b^2=16 b=4 If the hypotenuse is the unknown: a^2+b^2=c^2 3^2+5^2=c^2 9+25=c^2 c^2=34 c=(34)^(1/2)
