Question

the sides of a triangle are in ratio 1:2:3 if the perimeter of a triangle is 54cm find it's side​

Answer 1

Answer:

let the sides be 1x ,2x,3x

Step-by-step explanation:

perimeter of triangle=54

1x+2x+3x=54

6x=54

x=54÷6

x=9

1x=9cm

2x=18cm

3x=27cm

Answer 2

Answer:

let,side to be x

first side is 1x

second side is 2x

third side is 3x

perimeter=sum of all sides.

54cm=1x+2x+3x

54cm =6x

x=54÷6

x=9cm

first side=x=9cm

second side=2x = 2 × 9 = 18cm

third side=3x= 3 × 9 = 27cm

hope it helps you

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Step-by-step explanation: