# 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

Find shortest way from A to B *Thursday December 05, 2019*

finding coordinates of circumcentre of a triangle in terms of sine of vertexes. *Wednesday December 04, 2019*

Revolutions *Wednesday December 04, 2019*

Trig Problem: Please Help! *Wednesday December 04, 2019*

im stuck on this problem and the teacher wants me to find both x and y im getting flustered by this *Tuesday December 03, 2019*

What shape is this? *Monday December 02, 2019*

How to simplify this problem? *Monday December 02, 2019*

Intersection of two circles *Sunday December 01, 2019*

Line Plane Intersection *Saturday November 30, 2019*

congruent triangles *Saturday November 30, 2019*