A rectangle with a length of 32 untis and a width of 18 units; find the length of a diagonal.

Answer 1

Use the Pythagorean Theorem:

a^2 = b^2 = c^2

c = diagonal/hypotenuse

Answer 2

Or, for those of us with a "+" key,

a^2 + b^2 = c^2

:-)