# Geometry Tutorials, Lessons and Tips

What is Geometry?

A brief description of what geometry is and why it is useful.

Perimeter, Area and Volume of Common Solids and Shapes

Perimeter Area and Volume of Common Shapes and Solids

Cartesian Plane, Coordinate Plane, Coordinate Grid

Cartesian Plane, Coordinate Plane, Coordinate Grid

Geometry of A Cube

Surface area of a cube. Cube formula

Radians

Learn what radians are and how to convert them.

Classification of Triangles and Angles

Properties of Angles and Triangles. Classification of Angles. Classification of Triangles

Lines and Segments

Lines and Segments. Rays, lines, segments, intersecting lines concurrent lines, perpendicular lines parallel lines and skew.

Platonic Solids

Platonic solids. Tetrahedron, Octahedron, Icosahedron, Dodecahedron, hexahedron

A Free Geometry Basics Course

A step by step guide to learning geometry. Start off on the right foot with this introduction to Geometry.

Conic Sections - Introductions

What's a parabola? Hyperbola? Ellipse? Sound like analytic geometry? It is! Here's your introduction to Conic Sections complete with graphics.

Cool Math Geometry

Games, illustrations, and definitions to help middle school students with geometric concepts.

Dr. Math's Geometry Site

Everything you ever needed to know about elementary and high school geometry is listed here.

Everything You Need to Know About Geometry

Offers a special page on constructions and plenty of sample problems to help you understand the concepts.

Formulas and Facts

A must for the learner of Geometry. A great resource that addresses all the geometric formulas and facts.

Geometry Basics for Middle and High School

Step by step tutorials with quizzes that give scores for the geometry student. Addresses: the building blocks, relations and sizes, polygons, and three dimensional figures.

Geometry Basics

Student tutorials complete with a quiz to strengthen skills required for geometric concepts. High School.

Geometry in Action

This link offers various areas in which ideas from discrete and computational geometry apply in real life situations.(Design and Mfg. Graphics, Medicine etc.)

Parent Guide for Geometry

The Adobe Reader is required for this excellent series of guides to help students learn geometric concepts.

Topics in Geometry K-College Level

An excellent resource for Geometry for all grades, topics. An excellent resource for teachers and students.

Polygons 101

What are Polygons? An Overview of Polygons