STAIRS Julie is building this staircase with a rail What measure of 21 will ensure that the rail is parallel to the bottom of the staircase?

Nigeria and south africa

The traditional economy

The circumcenter is  equidistant  from each vertex of the triangle. the circumcenter is at the  intersection  of the  perpendicular bisectors  of the triangle's sides. the circumcenter of a right triangle falls on the side opposite the right  angle. the incenter  of a triangle is always inside it.

The northern hemisphere is further away from the sun