The sides of the triangle are in the ratio on 3:4:5.if perimeter of triangle is 360m find its area using herons formula. also find the cost of fencing the triangle with barded wire at the rate of rupees 2per metre
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Answer:
sides of the triangle
36ox 3/12=90m
360x4/12 = 120m
360x5/12=150m
semi perimeter=36o/2=180
Area =v180x(180-90) (180-120)
(180-150)
=v180x90x60x30-v180180=54oo
Area of the triangle =5400m2 Ans
cost of fencing=360x2=Rs 720. Ans Ans
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