Question

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

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Answer 1

Answer:

perimeter of triangle=30cm

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

x,3x,2x=30cm

6x=30cm

x=30/6

x=5cm

Answer 2

Answer:

Given:-

Perimeter of ∆ :- 30 cm

Ratios of it's sides:- 1:3:2

Solution:-

Let the sides be 1x , 3x & 2x....

So,

1x+3x+2x=30

6x=30

x=30\6

x= 5

So, sides of ∆ are :- 1x= 5cm ,

3x = >3×5= 15 cm

and 2x =>2×5=10 cm

Therefore, The smallest side => 5 cm

Step-by-step explanation:

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