3 years ago

Can someone help me

1 answer:

Llana [10]3 years ago

7 0

3x + 4x +5x = 54 (because the perimeter = sum of its dies)

12x = 54

x = 4.5

So the 3 sides are 3*4.5 , 4*4.5 and 5*4.5

= 13.5, 18 and 22.5 units (answer)

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