What is the formula for calculating the length of the diagonal of a right rectangular prism?

What is the formula for calculating the length of the diagonal of a ri

1.	What is the formula for calculating the length of the diagonal of a right rectangular prism?
Answer» The formula for calculating the length of the diagonal of a right rectangular prism is √(l²+w²+h²).wherel isthe length, w isthe width and h is the height. The diagonal of a right rectangular prism is the line that connects opposite vertices of a prism.