Asked by ceci
wendell is setting concrete on a triangular patio. one side of the patio is 12.9 feet and another side is 15.2 feet. the angle opposite the 15.2 foot side is 68 degrees. one bag of concrete covers an area of 5 square feet. how many bags of concrete will wendell need to cover the patio?
Answers
Answered by
Steve
using the law of sines,
the angle opposite the 12.9' side is 52°
the remaining angle is thus 60°
area is 1/2 * 15.2 * (12.9 sin 60°) = 85 ft^2
85/5 = 17 bags
the angle opposite the 12.9' side is 52°
the remaining angle is thus 60°
area is 1/2 * 15.2 * (12.9 sin 60°) = 85 ft^2
85/5 = 17 bags
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