The diagonal of a rectangle forms the hypotenuse of a right triangle with the length and width of the rectangle. Use Pythagoras to calculate the measure of the diagonal. Leave the answer in radical form if you want the exact answer. Round off to the nearest whole foot if you want the appropriate numerical approximation. The nearest whole foot is the appropriate precision for the answer because 3 feet, which is your least precise given measurement, is precise only to the nearest whole foot.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
