Q.5 ifperimeter of a triangular
field is 540 m and its sides are in the ratio 25:17:12. Find
the area of the field. Also find the cost of ploughing the field at Rs. 5 per m².
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Answer:
area of feild = 10m
cost of ploughing = 50 m
let the number be x
25x + 17 x + 12x = 540
54x = 540/54
x = 10
the cost of ploughing = 10 × 5 m
= 50 m
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