Question

5. The sides of triangle are in the ratio 1:2:3. If the perimeter is 36 cm, find its sides.
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Answer 1

Answer:

x+2x+3x=36

6x=36

x=6

then sides of triangle;

6;12;18

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Answer 2

S O L U T I O N :

Ratio of sides of a traingle = 1:2:3

Given that perimeter is 36cm

Let each side be x , 2x , 3x from this given question

Sum of all sides in a triangle is equal to it's perimeter.

x+2x+3x = 36cm

6x=36cm

x=6cm

So sides are 6cm,12cm,18cm