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: Dec. 8, 2020, 7:56 p.m.; Updated at: Dec. 9, 2020, 5:13 p.m.