the perimeter of a triangle is 300 M if its sides are in the ratio 357 find the area of the triangle
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let ratio 3 sides of triangle be 3x,5x,7x
perimeter of triangle=sum of all side
300=3x+5x+7x
300=15x
x=300÷15
x =20
3x=3×20=60M
5x=5×20=100M
7x=7×20=140M
by Heron's formula
s=(60+100+140)÷2
s=300÷2
s=150
and so on
perimeter of triangle=sum of all side
300=3x+5x+7x
300=15x
x=300÷15
x =20
3x=3×20=60M
5x=5×20=100M
7x=7×20=140M
by Heron's formula
s=(60+100+140)÷2
s=300÷2
s=150
and so on
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