skspatial.measurement

Measurements using spatial objects.

area_signed(points)	Return the signed area of a simple polygon given the 2D coordinates of its veritces.
area_triangle(point_a, point_b, point_c)	Return the area of a triangle defined by three points.
volume_tetrahedron(point_a, point_b, ...)	Return the volume of a tetrahedron defined by four points.