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Equilateral Triangle (Posted on 2003-12-18) Difficulty: 3 of 5
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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the simplified answer | Comment 6 of 19 |
well u see i absolutely hate decimals, so here's the clean answer. sqrt(25 + 12sqrt3)

PS, you don't have to have any knowledge other than SAS postulate, 30-60-90 triangle, and how to make 2 constructions. you don't fancy trig stuff.

Edited on December 18, 2003, 5:28 pm
Edited on December 18, 2003, 5:30 pm
  Posted by Victor Zapana on 2003-12-18 17:24:51

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