Question

The peremeter of a triangle is 420 and its sides are in the ratio 1:2:3 find its area.​

Answer 1

Answer:

firstly ,

Let ,x

1=1×

2=2×

3=3×

1×+2×+3×=420

6x=420

x=420/6

x=70

1x= 1×70 =70

2x= 2×70=140

3x= 3×70=210