Question

please give me the answer ​

Answer 1

Answer:

Let the 1st side be 2x

2nd side be 3x

3rd side be 5x

Perimeter of a triangle = a+b+c

But here, The perimeter of the triangle = 45 cm

So, a+b+c = 45

2x+3x+4x =45

9x = 45

x = 45/9

Therefore x = 5

Now 1st side = 2x = 2×5 =10

2nd side = 3x = 3×5 =15

3rd side = 4x = 4×5 =20

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