# 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

Proving if a set of points in a hexagon is a quadrilateral *Friday July 19, 2019*

How do I plug the equation " arcsin×11/12×sin(73) " into a calculator so that it equals 61 degrees? *Thursday July 18, 2019*

SOH-CAH-TOA HELP PLEASE *Thursday July 18, 2019*

unit of the area *Thursday July 18, 2019*

Inner product space *Thursday July 18, 2019*

Finding the volume of a cone with fractions *Thursday July 18, 2019*

Trying to find Isosceles length:width ratios *Wednesday July 17, 2019*

distance between point and line *Wednesday July 17, 2019*

Rectangle inside of Rectangle *Tuesday July 16, 2019*

what is %40 of a cube which is 10.000 ? *Tuesday July 16, 2019*