Question

Find the length of the third side. If necessary, round to the nearest tenth
Pythagorean Theorem (Rounding)

Answer 1

Pythagorean theorem: a^2+b^2=c^2

3^2+b^2=5^2
9+b^2=25
b^2=16
b=Sqrt[16]
b=4

Length of the third side = 4