MTH311: Geometry
Prerequisite(s): MTH110

Ask Dr. Math
General information on proofs as well as answers to specific questions about geometric proofs from the Math Forum at Drexel University

Mastering the Formal Geometry Proof
Adapted from the book Geometry For Dummies, includes related resources

SparkNotes
Geometric

MathWorld
Brief definition of parallel lines along with related resources

Non-Euclidean Geometries
Resource from Jim Loy

Parallel Lines, Distances and Angle Sums (PDF)
Parallel lines, prinicples and properties of parallel lines, distances, and sum and measure from Mathematics Help Central

Elementary Geometry for College Students
Section-by-section objectives, theorems, and tips for studying geometry

MTH110: College Algebra I
Basic tools of algebra

MTH111: College Algebra II
Continuation of the algebraic operations introduced in College Algebra I

StudyWorks! Online
Prove that two triangles are congruent

MathEmatics Help Central
Basic principles of congruent triangles

Triangle Congruence Theorems
From the California State University, San Bernardino

The Basic Postulates and Theorems of Geometry
From Thinkquest.org

MathWorld: Postulate
Brief definition of a postulate along with related resources

MathWorld: Theorem
Brief definition of a theorem along with related resources

Algebra.com
Algebra, geometry, and physics help, along with interactive word problems and a question board

American Mathematical Society
Professional mathematical research and scholarship organization

Digital Classroom Resources
Mathematical sciences digital library from the Mathematical Association of America

Earliest Uses of Various Mathematical Symbols
Names of first to use common mathematical symbols and the dates the symbols first appeared

Famous Problems in the History of Mathematics
Includes proof of the Pythagorean Theorem and the value of Pi

Geometry Tutorials, Lessons and Tips
Help with geometry from About.com

GoMath.com
Algebra, geometry, and physics help including interactive tutorials and quizzes

Homemade Clinometer
Instructions for making this device used for measuring altitude, elevation, and vertical angles

InterAct Tutorials
Tutorials, study aids, and web links for further research

Journals: @Brint.com
Resources from business technology management and knowledge management

Math.com
Tools, formulas, tables, test preparation, and study tips

Math Forum
Ask Dr. Math (college level archive) from Drexel University

MathEmatics Help Central
College geometry help

MathWorld
Extensive math resources including algebra, calculus, geometry, probability and statistics, as well as math history and terminology

Nrich
Math Problems, Games and Articles from the University of Cambridge

Professional Societies
Links to societies and organizations that may be of interest to mathematicians

Purplemath
Practical algebra lessons with hints, tips, and examples, including common mistakes

SOS Mathematics
Free resource for math review material on algebra, trigonometry, calculus, and differential questions

Schoolyard Clinometer
Make a clinometer using this guide from the New Jersey Coalition for Schoolyard Habitats

Success in Math
Tips from Saint Louis University

Webmath
View solved math problems or post a question for a math expert