Respuesta :

If the side of the triangle is a, the height is given by √a²-a²/4=√(¾a²)=a√3/2.
So if you know the height, h, work out 2h/√3 to find the side a.
The area is ½ah=½(2h/√3)h=h²/√3 which can be written h²√3/3.

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