Answers

  • Brainly User
2014-10-16T23:39:22+05:30
 let x be the side of the equilateral triangle.
then altitude = x√3 / 2
4 times altitude = 4 × (x√3 / 2)^2
                       = 4 × (3x^2 / 4)
                       = 3x^2
                       = 3 times the square of side.


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