# A right triangle has sides A, B, and C. Side A is the hypotenuse and side B is also a side of a rectangle. Sides A, C, and the side of the rectangle adjacent to side B have lengths of #5 #, #1 #, and #4 #, respectively. What is the rectangle's area?

##### 1 Answer

Feb 17, 2016

#### Explanation:

By the Pythagorean Theorem:

and the Area of the rectangle is