Question

lengths of triangle are x cm, 2x cm and 3x cm. Its perimeter is 30 cm. How much is x

Answer 1

Step-by-step explanation:

perimeter of triangle = sum of all sides

30 = x + 2x + 3x

30 = 6x

x = 30/6

x = 5

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Answer 2

Answer:

x = 5

Step-by-step explanation:

Perimeter = side1 + side2 + side3

= x + 2x + 3x

= 6x

p = 30

6x = 30

x = 30/6

x=5

Hence, x = 5

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