The perimeter of a triangle is 100 cm and its sides are in ratio 1:2:3 the area of triangle in cm square is
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let the sides be x,2x,3x respectively
then, p=x+2x+3x
but, p= 100
therefore 100=x+2x+3x=6x
x=100/6=50/3
then sides =50/3,100/3,50
now....area=√(s+a)(s+b)(s+c)
=√(50+50/3)(50+100/3)(50+50)
=√(200/3)(250/3)(100)
=√5000000/9
=10×10×5×2√5/3
=1000√5/3 sq cm
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