Geometry (angles, shapes, area, volume)

VIDEOS

- Lines and Angles: Take an introductory look at lines and angles, as well as some properties of lines and angles

- Triangles - Part I: Learn some basic properties of triangles

- Assumptions and Estimation: Learn what can be reasonably assumed and what cannot

- Geometry Strategies - Part I: Learn strategies to consider when answering geometry questions

- Triangles - Part II: Learn more triangle properties

- Right Triangles: Learn how to apply the Pythagorean Theorem, and learn how to use Pythagorean triples

- Special Right Triangles: Learn the properties of 30-60-90 triangles and 45-45-90 triangles

- Similar Triangles: Learn how to use similar triangles to find the lengths of unknown sides

- Quadrilaterals: Learn the properties of squares, rectangles, trapezoids, parallelograms and rhombuses

- Polygons: Learn properties of polygons with 5 sides, 6 sides, 7 sides, etc.

- Circles: Learn several definitions related to circles, and learn some basic properties of circles

- Pieces of Pi: Learn how to find the length of an arc and the area of a sector

- Circle Properties: Learn properties of chords, inscribed angles and tangent lines

- Volume and Surface Area: Learn the key terms related to rectangular solids, and learn how to find the volume and surface area of cylinders and rectangular solids

- Units of Measurement: Learn about the different units of measurement that you may encounter on the GMAT

- Tackling Data Sufficiency Questions: Learn some important tips for solving Data Sufficiency Questions that involve geometric figures

- Geometry Strategies - Part II: More strategies to consider when tackling GMAT questions involving geometry