The cost of fencing a triangular plot wid sides. In ratio5:12:13 is₹25per m^2if total cost incurred To dense the plot is ₹2250then what is its area
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let the ratio be x
then the perimeter= 5x+12x+13x
=30x
the dense of plot= 2250/25= $80
area of triangular plot= 1/2× 12x× 5x=30
30x= 30
x= 30/30= 1 m
side= 5x=5×1=5m
12x=12×1=12m
13x=13×1=13m
cost of dense of plot= 80×1=$80
then the perimeter= 5x+12x+13x
=30x
the dense of plot= 2250/25= $80
area of triangular plot= 1/2× 12x× 5x=30
30x= 30
x= 30/30= 1 m
side= 5x=5×1=5m
12x=12×1=12m
13x=13×1=13m
cost of dense of plot= 80×1=$80
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