If two triangles [math]ABC[/math] and [math]A_{P}B_{P}C_{P}[/math] are in perspective with center of perspective P, the corresponding sides (extended)[br]intersect of collinear points [math]Q_A[/math], [math]Q_B[/math], and [math]Q_C[/math]. The line is known as the [b]axis of perspective[/b].[br][br]Drag the points and rotate the view to study the image.