Question

the perimeter of a triangle is 900 centimetre and its side are in the ratio 3 ratio 5 ratio 4 ratio using herone formula find the area of Garden​

Answer 1

let sides of triangle be X..

so,3x+5x+4x=900

12x=900so,X=900/12=75.5

so a=226.5 cm,b = 377.5 and c= 302

also semi perimetre=450

now by using herons formula u can get your answer!!