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# Mathemagics

## Geometry Shortcuts

Shortcut your way to an intuitive understanding of basic and advanced geometry principals. Discover the core concepts of geometry distilled down to just the vital information you need to succeed. Practice lesson techniques for a deeper understanding and then play games until you're skills are razor sharp.

Master these concepts:

- Types of Triangles
- Triangle Internal Angles
- Triangle Inequality
- Triangle Side and Angle Relationship
- Area of a Triangle
- Area of an Equilateral Triangle
- Heron's Formula for Area of a Triangle
- Pythagorean Triples
- Circumference of a Circle
- Area of a Circle
- Central Angles and Inscribed Angles
- Arc Length
- Area of a Sector
- Mentally Multiply by π
- Area of a Square
- Length of a Squares Diagonal
- Area of a Rectangle
- Length of a Rectangles Diagonal

Prepare for the SAT, PSAT, ACT, GRE, GMAT, MCAT, or any other standardized test. Don't waste time with a calculator on the few tests that allow them.

Activate and challenge your brain to expand its ability to think efficiently and have fun at the same time. Train yourself to break problems down in to smaller more manageable pieces in order to reach solutions quicker and more accurately than anyone else.