The perimeter of a triangular field is 540m and its sides are in the ratio 25:17:12 find the area of triangle also the cost of ploughing the field at 18.80per10m
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25=25x,17=17x,12=12x. . . . . . . . . . . . . . . . . . . . . . . . . 25x+17x+12x=540then 54x=540 then x=540/54 =x=10
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