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January 28, 2015

January 28, 2015

Posted by **junior** on Tuesday, October 16, 2012 at 7:22pm.

- geometry -
**MathGuru**, Tuesday, October 16, 2012 at 8:02pmx = length of one side of a square

x - 7 = length of one side of an equilateral triangle

Equation:

4x + 3(x - 7) = 49

Solving for x:

4x + 3x - 21 = 49

7x - 21 = 49

7x = 70

x = 10

Now you should be able to determine the perimeter of each figure.

I hope this helps.

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