Finding the angle between two lines whose equations are in intercept form.

Angles on a modified coordinate plane.

Multiple lines showing many bisectors on the coordinate plane.

A circle and triangle situated on coordinate planes.

Finding the perpendicular distance of points whose equation is x cosa + y sina = p.

Finding the equation of a circle with the origin as its center.

A line with a standard form equation.

A line with intercept form equation.

A line on the coordinate plane showing evidence of "perpendicular" form.

Another method for using perpendicular form.

An alternate form of the perpendicular distance method.

A circle with part of a triangle inscribed in it. They are lying on a coordinate plane.

A scalene triangle.