~P L E A S E ~ H E L P ~ M E ~ O U T~ ~B a k i ~ B a k i ~ N i ~ O r e ! ~ N a n i ~ W o ? ~ K o k o r o ~ W o ~ D a ~ Y o ! ~ K o n a g o n a ~ N i ~ K u d a k e ! ~ N a n n i i i i ~ W o o o o ?~

A fancy rug in the shape of a trapezoid has an area of 800 square inches and the sum of the lengths of its parallel sides is 80 inches. What is the height of the rug?