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22.The sides of a triangle, taken in order are each 3 em longer than the preceding side. If theperimeter of the triangle is 81cm, find the length of the sides |
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Answer» Let one side of the triangle be x cm.then the other sides will be (x + 3) cm and (x + 6) cm.Perimeter of the triangle = (x + x + 3 + x + 6) = 3x + 9 cm But , perimeter = 81 cmso, 3x + 9 = 813x = 72so,x = 24 cm.So, Length of all sides = 24 cm , 27 cm and 30 cm. i want my question answer |
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