Question

The perimeter of triangle is 30 cm . Its sides are in the ratio 1:3:2. Then its smallest side is ​

Answer 1

Step-by-step explanation:

let the sides be x,3x,2x

perimeter of a triangle is sum of all sides

x+3x+2x=6x

but perimeter of a triangle is 30 cm

6x=30cm

x=30/6=5cm

putting the value of each

x=5cm

2x=2×5=10cm

3x=3×5=15cm

thus, smallest side is 5cm

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