Triangle divided into three sections containing the variables p, m, and v Triangle divided into three sections containing the variables p, m, and v.  The section with the variable v is shaded Triangle divided into three sections containing the variables p, m, and v. The section with the variable p is shaded Triangle divided into three sections containing the variables p, m, and v.  The section with the variable m is shaded

Directions: Mouse over the three differently labeled regions of the triangle.