Question

Perimeter of a triangle is 30 cm and sides are in ratio 1:3:2 then its smallest side is 

10 cm

15 cm

5 cm

1 cm​

Answer 1

Answer:

x+3x+2x=30

6x=30

x=5

smallest side = 5 cm

Answer 2

Answer:

perimeter of a triangle=sum of all sides

let the sides are x,3xand 2x

ATP

x+3x+2x=30

6x=30

so x=5, which is the smallest side

so crrt ans is 5cm

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