The area of triangle is 216 cm2 and its side are in ratio of 3:4:5 then find perimeter of triangle
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The area of triangle = 3x+4x+5x
216 cm²=12x
216/12=x
18=x
3x=3×18
54cm
4x=4×18
72cm
5x=5×18
90cm
216 cm²=12x
216/12=x
18=x
3x=3×18
54cm
4x=4×18
72cm
5x=5×18
90cm
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