Someone me with this math problem! it’s probably really easy i just don’t know how to do it.

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Sum is 17 and their difference is 3

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?