height of a triangle by using the base

Question

need to know how to get the height in a triangle with using only the base.

Answer 1

If is an equilateral triangle

area=side^2*sqrt(3)/4

example:http://triancal.esy.es/?lang=en&a=1&b=1&c=1

You can use http://triancal.esy.es (online triangle calculator) to calculate and draw any triangle. ==>Google Chrome Puedes usar http://triancal.esy.es (calculadora de triángulos online) para dibujar y calcular cualquier triángulo.