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What is the area of a piece of sheet metal that has sides measuring 17.4cm 19.2cm and 12.1 cm?
Wiki User
∙ 14y ago
Heron's formula gives the area in terms of the three sides of the triangle, specifically, as the square root of the product s(s - a)(s - b)(s - c) where s is the semiperimeter of the triangle, that is, s = (a + b + c)/2. In your example, a=17.4, b=19.2, c= 12.1 and s=24.35. Therefore Area = sqrt (24.35 * 6.95 * 5.15 * 12.25) = 103.327 sq.cm.
Wiki User
∙ 14y ago
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