Find the side of the triangle plot are in ratio 3:5:7 and perimeter is 300m . Find its area
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Step-by-step explanation:
a:b:c = 3:5:7
a=3x=60
b=5x=100
c=7x=140
a+b+c = 300
3x+5x+7x= 300
15x= 300
x= 300/15
x= 20
Semeperimeter =300/2 =150
Herons formula
Area =_/s(s-a)(s-b)(s-c)
=_/150(150-60)(150-100)(150-140)
=1500 _/3m(2)
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