Shaya plans to paint a bedroom wall that is shaped like a trapezoid. The bottom edge of the wall is 15.5 feet long, and the top edge of the wall is 15 feet long. If the wall is 8.5 feet tall, what is the area of the wall?

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Answer 1 · 2018-06-30T05:45:31

Area of the trapezoid wall #color(magenta)(A_T = 988.125# #color(magenta)(ft^2#

Area of trapezoid #A_T = (1/2) (a + b) * h# where a & b are two parallel sides and h the height.

Given : #a = 15.5’, b = 15’, h = 8.5’#

#A_T = (1/2) * 15.5 * 15 * 8.5 = 988.125 # #ft^2#