Question

12 ft
9 ft
)) What is the length of the hypotenuse?

Answer 1

Use pythagorean theorem
a^2 + b^2 = c^2
fill in known values
12^2+9^2 =c^2
simplify
144 + 81 = c^2
225 =c^2
square both sides
15 = c= hypotenuse