Question

perimetre of a triangle pqr is 40 cm and the ratio of its sides are 1 ratio 3 ratio 4 find the side of the triangle​

Answer 1

first is 5 and second one is 15 and third one is 20

Answer 2

let the sides be x,3x and 4x

perimeter=40cm

perimeter=x+3x+4x

40=8x

X=5

hence sides are

5, 3*5=15, 4*5=20 cm