SOLUTION: Find the percentage decreased in the area of a equilateral triangle if it's each side is half

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Question 892330: Find the percentage decreased in the area of a equilateral triangle if it's each side is half
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
For an equilateral triangle,

So if



Since the new area is of the old area, the decrease is or %.

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