Niki is building a kite. She has a rectangular piece of cloth that is 11 inches wide and 15 inches long. She needs to place a stick on the diagonal of the rectangle to make her kite. How long of a stick does she need? Round to the nearest tenth of an inch.

Question

Niki is building a kite.  She has a rectangular piece of cloth that is 11 inches wide and 15 inches long.  She needs to place a stick on the diagonal of the rectangle to make her kite.  How long of a stick does she need?  Round to the nearest tenth of an inch.

anonymous · Answer

By the pythagorean theorem length of diagonal is sqrt(15^2+11^2)=sqrt(346)=18.6