Respuesta :

Answer:

30, 41 and 66 cm.

Step-by-step explanation:

x + 7 + 2x - 5 + 3x - 3 = 137

6x - 1 = 137

6x = 138

x = 23

So the lengths of the sides are:

23 + 7 = 30.

2(23) - 5 = 41 and

3(23) - 3 = 66.

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