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The figure below is a diagram of a trapezoidal table that needs to be stained. Each can of stain will cover 50 square inches.




If the table has a perimeter of 87 inches, how many cans of stain are needed to cover the table?

The figure below is a diagram of a trapezoidal table that needs to be stained Each can of stain will cover 50 square inchesIf the table has a perimeter of 87 in class=

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musiclover10045

The perimeter is the sum of the outside dimensions.

b1 = 87 - 32 - 14 - 13 = 28 in.

Area = (32 + 28) /2 x 12 = 60/2 x 12 = 30 x 12 = 360 square inches.

Divide area by the amount 1 can covers:

360 / 50 = 7.2 cans, round up to 8 cans are needed.

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