# 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

Help with trigonometry please sin... *Monday July 13, 2020*

Finding the angle of a pendulum's period with unusual units: *Monday July 13, 2020*

Setting the distance between two points *Monday July 13, 2020*

I need the answer to the question written out *Monday July 13, 2020*

how to set this up? *Sunday July 12, 2020*

Transforming a 3D point to a 2D point *Saturday July 11, 2020*

Proof for tan4φ through Euler formulae *Saturday July 11, 2020*

vertical asymptote or perforation *Friday July 10, 2020*

https://www.freemathhelp.com/forum/threads/topic-triangle-similarity.123756/ *Friday July 10, 2020*

Shortest distance *Friday July 10, 2020*