Pythagorean Theorem
Step-by-step explanation:
a squared time b squared plus c squared I think
Answer:
3ft
c^2 = a^2 + b^2 so, we have c = 5ft, and lets call this one a = 4ft
so: x^2 = 5^2 - 4^2 => x = sqrt(25 - 16) => x = 3ft
