Question

Sides Of a Triengle are ratio 13:14:15 and its Perimeter is 21 Cm Find the areaOf triengle

Answer 1

Answer:

let sides of triangle be 13x,14x and 15x

perimeter of triangle= sum of all sides of triangle

21= 42x

21/42=x

x= 0.5

hence 13x= 13×0.5=6.5

14x=24×0.5=12

15x=15×0.5=7.5

I don't know herons formula so find area urself sorry

Answer 2

Explanation:

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