SOLUTION: If the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle?
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Question 775375: If the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle?
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle?
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notice that the sides of the triangle are in the ratio 3, 4, 5 and it is a right triangle with base 12 and height 9
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A = 1/2 * base * height
A = 1/2 * 12 * 9
A = 54 square meters
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