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The lengths of the sides of a triangle are represented by 3m, 3m and 3m.
Q1. What is an expression, in simplest form, for the perimeter of the triangle? A: Believe 3(3m) or 9m?
Q2. Use the distributive property to write an equivalent expression for the perimeter of the triangle.
A: 3(2m+m)?

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SlowZasobid
Q1: The perimeter of the triangle is a + b + c and if each side is the same then it's 3a. In this situation we may write it in its simplest form as 9m. Note that 3(3m) is also correct but it's not the simplest form.

Q2: You're correct, the distributive property of 3(3m) can be written as 3 (2m + m).

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