Posted by James on .
When the perimeter of an equilateral triangle is doubled, the result is 24. The length of a side of the original triangle is
A. 4
B. 6
C. 8
D. 12

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MathMate,
When the perimeter of the triangle is doubled, it is 24. The perimeter before it is doubled is therefore half of 24=12.
An equilateral triangle is a triangle with three equal sides.
Perimeter = 12
Number of sides of an equilateral triangle = 3
Can you find the length of each side? 
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James,
Thanks. That helps.

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MathMate,
You're welcome! :)

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Angela,
4, right!!!!!!!!