### Angle

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

### Oblique Axes

Angles on a modified coordinate plane.

### Line Bisectors

Multiple lines showing many bisectors on the coordinate plane.

### Circle

A circle and triangle situated on coordinate planes.

### Perpendicular Distance

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

### Circle Equation

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

### General Form

A line with a standard form equation.

### Intercept Form

A line with intercept form equation.

### Perpendicular Form

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

### Alternate Method

Another method for using perpendicular form.

### Alternate Form, Perpendicular Distance

An alternate form of the perpendicular distance method.

### Coordinate Plane

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

### Scalene Triangle

A scalene triangle.