Question

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

Answer 1

answer is 3

a^2 + b^2 = c^2
4^2 + b^2 = 5^2
16 + b^2 = 25
b^2 = 25 - 16
b^2 = 9
b = square root of 9
b = 3