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calculate the area of the triangle given its sides are 5 cm, 10 cm, and 8 cm.
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the area of the triangle can be calculated using heron's formula, which is area = √(s(s-a)(s-b)(s-c)), where a, b, and c are the sides of the triangle and s is the semiperimeter. using this formula, the area of this triangle is 20 cm^2.
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