Asked by Josh
The cost for paint to cover the exterior of the four sides of a shed was $40. A can of paint costs $10 and will cover 33 square feet. The shed consists of four sides, each shaped like a trapezoid. They each have one base of 5 feet and one base of 6 feet. What is the altitude of each trapezoid?
Answers
Answered by
Steve
the area of a trapezoid is (b+B)h/2. Since we have 4 trapezoids with bases 5 and 6, the total area is
4(5+6)h/2 = 22h ft^2
paint costs $10/33ft^2 = .3030 $/ft^2
cost of $40 means 132 ft^2
22h = 132, so h=6 ft
4(5+6)h/2 = 22h ft^2
paint costs $10/33ft^2 = .3030 $/ft^2
cost of $40 means 132 ft^2
22h = 132, so h=6 ft
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