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.

10.2 inches

26.0 inches

18.6 inches

4.0 inches

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. 

 10.2 inches 

 26.0 inches 

 18.6 inches 

 4.0 inches

anonymous · Answer

draw a rectangle and split it diagonally, into two triangles, now use a^2+b^2=c^2 to find c^2 (which is one of the multiple answers)

anonymous · Answer

can you just give me the answer?please

anonymous · Answer

11^2 + 15^2 = c^2
121 + 225 = 346^2
(unsquare 346)
346/18.6= 18.6
The answer is 18.6