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The second side of a triangle is 4cm longer than the first, The third side is 1 less than twice the first, The perimeter is 55cm. Find the lengths of all three sides.

Respuesta :

Answer:

13 , 17 and 25 cm.

Step-by-step explanation:

Let the length of the first side be x cm.

Then the second is x+4 and the third is  2x-1 cm long.

As the perimeter = 55 cm we have the equation:

x + x + 4 + 2x - 1 = 55

4x + 3 = 55

4x = 52

x = 13 cm.

Answer:

50

Step-by-step explanation:

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