the perimeter of triangle a field is 135 cm and its sides are in the ratio 25 27 years to 12 find its area
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Perimeter=135cm
Let the ratio be. 25x,27x,12x
25x+27x+12x=135
64x=135
x=135/64
x=2.1cm
Putting the value 12x=12×2.1=25.2
17x=17×2.1=35.7
25x=25×2.1=52.5
Sides of triangle are 25.2 cm,35.7cm,52.5cm
Area of triangle=1/2bh
=1/2×52.5×35.7
=1874.25/2
=937.125cm*2
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