what is the formula for determining the area of triangles? They are different there. Equilateral, rectangular
Yes, I know about (a * h) / 2, but for example for Equilateral trianglesw I need to use (a**2 * sqrt(3)) / 4!
Could anybody help me

Created at: 2020/12/08 19:56; Updated at: 2020/12/09 17:13