The perimeter of triangular field is 540m and its sides are in the ratio 25:17:12. Find the area of the triangle. Also, find the cost of ploughing the field at Rs. 18.80 per 10 square metres.
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Step-by-step explanation:
let me go step by step
now given
perimeter=540metres
cost of ploughing=18.80per10square metres
solution--------
let x be a common multiple of 25,17,12
so sides will be 25 x 17x 12x respectively
now according to condition
54x=540
x=10
so
sides are 250,170 and 120metres respectively
so area you can find by herons formula
then use it to find cost
hope this helps
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