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Sides Of A Triangle (Posted on 2003-11-23) Difficulty: 3 of 5
The sides of a triangle are in arithmetic progression and its area is 3/5th the area of an equilateral triangle with the same perimeter.

Find the ratio of the sides of the triangle.

No Solution Yet Submitted by Ravi Raja    
Rating: 4.1111 (9 votes)

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re: Solution Comment 14 of 14 |
(In reply to Solution by Rachel Mantis)

You said, "...the area is √(3x/2)(x/2 + d)(x/2)(x/2 - d). Simplifying, this is x/2 * √3x^2/4 - d^2."

Check your math. It actually simplifies to x/2 * √(3x²/4 - 3d².
  Posted by Tristan on 2004-01-17 12:26:21

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