# Free Geometry Help

Need some geometry help? We have more than thirty excellent geometry lessons here, broken up in general topics. Make sure to browse all of the topics to find what you need, or search by keyword.

## Graphing Lines

- Asymptotes
- Domain and Range
- Finding Asymptotes
- Finding Horizontal Asymptotes
- Point Slope Form
- Slope Intercept Form
- Slope of a Line
- X-Y Axis
- Graphing a Parabola

## Shapes

- Triangles
- 30-60-90 Right Triangle
- Parallelograms
- Trapezoids
- Special Parallelograms
- Congruent Triangles
- Isosceles Triangles
- Polygons

## Angles, Lines, and Points

- Distance Formula
- World of Angles
- Special Angles
- Parallel Lines
- Length of a Line Segment
- Sum of the Angles of a Triangle
- Exterior Angles of a Triangle
- Interior Angles of a Polygon
- Triangle Inequalities
- Midpoint Formula

## More Lessons

## Formulas

## Other Stuff

## Lessons from Other Sites:

- Areas, Volumes, Surface Areas
- Circumference of a Circle
- Classifying Angles
- Conic Sections/Circles
- Interior Angles of Regular Polygons
- Polygon Basics
- Pythagorean Theorem
- Three-Dimensional Figures

## Recent Geometry Questions

Calculating push force up a ramp using rolling friction instead of drag friction *Friday August 23, 2019*

number of bodies in cubic space *Wednesday August 21, 2019*

Goat In a Circular Field *Wednesday August 21, 2019*

Equivalent Arguments to the Tangent Function *Tuesday August 20, 2019*

Angle properties of a circle *Tuesday August 20, 2019*

The student's incorrect attempt *Monday August 19, 2019*

Please help people smarter than me *Monday August 19, 2019*

Right Triangle *Saturday August 17, 2019*

Problem using triangular inequality *Saturday August 17, 2019*

Need help with identities *Friday August 16, 2019*