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 Equilateral Triangle (Posted on 2003-12-18)
Suppose ABC is an equilateral triangle and P is a point inside the triangle, such that PA = 3 cms., PB = 4 cms., and PC = 5 cms.
Then find the length of the side of the equilateral triangle.

 No Solution Yet Submitted by Ravi Raja Rating: 4.0000 (5 votes)

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 by inspection | Comment 5 of 19 |
By drawing circles of radii 3, 4, and 5 and then moving them slowly along 30, 150, and 270 degree lines in AutoCAD until the three circles intersect and then measuring the distances between their centers, I came up with about 6.7524. Not very complex, but somewhat effective?
 Posted by corey on 2003-12-18 14:39:16
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