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The side of a triangle are 16 cm , 12 cm and 20 cm .i Find the area of a triangle .ii height of a triangle corresponding to the large sides |
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Answer» Answer: (i) a = 16 cm b = 12 cm c = 20 cm s = a+b+c/2 = 16+12+20/2 = 48/2 = 24CM area = Root s{(s-a)(s-b)(s-c)}/2 = 24(24-16)(24-12)(24-20) = 24 * 8 * 12 * 4 = 3*8*8*3*4*4 = 3*8*4 = 96cm^2 |
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