You can put this solution on YOUR website! What is the length of the diagonal of a rectangular bill board with sides of lengths 5 ft and 12 ft.
.
You need to apply Pythagorean theorem:
a^2 + b^2 = c^2
where
a,b are the sides of the right triangle
and
c is the hypotenuse
.
5^2 + 12^2 = c^2
25 + 144 = c^2
169 = c^2
13 ft = c (hypotenuse)
