Need help with GRE questions that involve Geometry? You've come to the right place.

Volume 5 of Master Key to the GRE is the only guide to GRE math that will teach you everything you need to know about GRE questions involving Geometry.

Get a sense of how to use our books, how to study properly for the GRE, and how to access our online video content.

- 1Introduction
- 2Straight Lines & Opposing Angles
- 3Perpendicular & Parallel Lines
- 4Bisectors & Midpoints
- 5Polygons
- 6Interior Angles
- 7Exterior Angles
- 8The Exterior Angles of a Triangle
- 9Shapes Within Shapes
- 10Can You Trust the Diagrams?

Geometry is more than a collection of facts and formulas. To solve the most difficult questions, you need to complement the essential concepts with the following tactics.

- 11Strategy 101
- 12The “180° – x” Trick
- 13Picking Numbers

- 14Problem Sets
- 15Solutions
- 16Video Solutions

Whether you’re aiming for a perfect score or a score closer to average, mastery of the following concepts is essential.

- 1Introduction
- 2Angles & Sides
- 3Equilaterals & Isosceles
- 4Right Triangles
- 545°–45°–90° Triangles
- 630°–60°–90° Triangles
- 7Area & Altitudes
- 8Perimeter & the Triangle Inequality Theorem
- 9Spatial Reasoning Problems

The following concepts are either advanced or are tested only on rare occasions. If you don’t need an elite math score, don’t waste your time!

- 10Similar Triangles
- 11Acute & Obtuse Triangles
- 12Crazy Pythagorean Triangles
- 13Hexagons & Octagons

There’s no substitute for elbow grease. Practice your new skills to ensure that you internalize what you’ve studied.

- 14Problem Sets
- 15Solutions
- 16Video Solutions

Whether you’re aiming for a perfect score or a score closer to average, mastery of the following concepts is essential.

- 1Quadrilaterals
- 2Parallelograms
- 3Rectangles & Squares
- 4Trapezoids
- 5Unusual Shapes
- 6Shaded Areas
- 7Rectangular Solids & Cubes
- 8Questions Without Values

The following concepts are either advanced or are tested only on rare occasions. If you don’t need an elite math score, don’t waste your time!

- 9The Volume Trap Rhombuses
- 10Maximizing Volume
- 11The Area & Perimeter “Guess Trick”

There’s no substitute for elbow grease. Practice your new skills to ensure that you internalize what you’ve studied.

- 12Problem Sets
- 13Solutions
- 14Video Solutions

Whether you’re aiming for a perfect score or a score closer to average, mastery of the following concepts is essential.

- 1Introduction
- 2Circumference & Area
- 3Arcs & Sectors
- 4Inscribed Angles
- 5Inscribed & Circumscribed Polygons
- 6Chords & Tangents
- 7Cylinders

Geometry is more than a collection of facts and formulas. To solve the most difficult questions, you need to complement the essential concepts with the following tactics.

- 8Don’t Forget the Center
- 9Label Every Radius
- 10Problems Without Values x Asswholes
- 11Unusual Shapes
- 12Spatial Reasoning

There’s no substitute for elbow grease. Practice your new skills to ensure that you internalize what you’ve studied.

- 13Problem Sets
- 14Solutions
- 15Video Solutions

- 1Introduction
- 2Distance & Midpoints
- 3Slope & the Slope Formula
- 4Graphing Equations
- 5Finding the x-Intercept
- 6Horizontal & Vertical Lines
- 7Parallel & Perpendicular Lines
- 8Intersecting Lines
- 9Finding the Equation of a Graphed Line
- 10Strategy Overview
- 11Practice Drills

Geometry is more than a collection of facts and formulas. To solve the most difficult questions, you need to complement the essential concepts with the following tactics.

- 12Graphing Inequalities
- 13Reflections
- 14Graphing Circles
- 15Functions & Parabolas

- 16Problem Sets
- 17Solutions
- 18Video Solutions

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