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12 June, 01:20

The perimeter of an equilateral triangle is 9n - 12. Write an expression to represent the length of each side.

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  1. 12 June, 01:43
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    Perimeter is the sum of the sides which is 9n-12 and since all 3 sides are equal then the length of one side is (9n-12) / 3 = 3n-4
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