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What is the cost of fencing is at Rs 3 per metre ?

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A plot of land is in the shape of a right angled isosceles triangle.
The length of the hypotenuse is 50*sqrt(2).
What is the cost of fencing is at Rs 3 per metre ?

posted Dec 23, 2014 by Parampreet Kaur

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1 Answer

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Let each one of equal sides be x metres.
Then x^2+x^2 = (50*sqrt(2))^2
x = 50 m.
Perimeter = x + x + 50*sqrt(2) = 100 + 50*sqrt(2)
Therefore cost of fencing = Rs.3 * (100 + 50*sqrt(2))
= 511.5

answer Dec 24, 2014 by Avantika Agrawal

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