SOLUTION: Solve this problem using the proper formula. A lot is in the shape of a trapezoid. The sum of the bases is 280 feet. If the area of the lot is 8,400 square feet, what is the dis

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: Solve this problem using the proper formula. A lot is in the shape of a trapezoid. The sum of the bases is 280 feet. If the area of the lot is 8,400 square feet, what is the dis      Log On

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Question 1070915: Solve this problem using the proper formula.
A lot is in the shape of a trapezoid. The sum of the bases is 280 feet. If the area of the lot is 8,400 square feet, what is the distance across the lot, i.e., the altitude of the figure?

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
Area = ((a+b)/2)*h
(280/2)*h = 8,400
140*h = 8,400
h = 8,400/140
h = 60