# GRE Geometry

In this module, you'll learn all of the concepts, techniques and strategies needed to answer geometry questions on the GRE. In particular, this module covers:

 Lines and angles Isosceles and equilateral triangles Right triangles Special triangles Similar triangles Quadrilaterals Circles: area & circumference Circles: sectors & arcs Circles: tangent lines Circles: inscribed angles Cylinders Surface area & volume

## GRE GEOMETRY VIDEOS

• 1. Lesson: Lines and Angles (7:19)
• 2. Question: 3x-5 (2:10)
• 3. Lesson: Triangles - Part I (5:55)
• 4. Question: Comparing Side Lengths (1:24)
• 5. Question: x in terms of y (3:26)
• 6. Lesson: Assumptions in Geometry (4:28)
• 7. Lesson: Geometry Strategies - Part I (1:07)
• 8. Lesson: Triangles - Part II (8:16)
• 9. Question: Bit of Everything (1:46)
• 10. Lesson: Right Triangles (9:18)
• 11. Question: Rectangle’s height (2:10)
• 12. Question: 3-D Diagonal (3:02)
• 13. Lesson: Special Right Triangles (6:42)
• 14. Question: 3 Triangles (3:53)
• 15. Lesson: Similar Triangles (4:28)
• 16. Question: Triangles with Intersection (2:16)
• 18. Lesson: Polygons (3:15)
• 19. Lesson: Circles (4:47)
• 20. Question: Radius vs. Diameter (2:28)
• 21. Question: Circle Area with Triangle (2:39)
• 22. Lesson: Pieces of Pi (3:37)
• 23. Question: Intersection and Arc (1:54)
• 24. Lesson: Circle Properties (3:36)
• 25. Question: Circle with Parallel Lines (3:00)
• 26. Lesson: Volume and Surface Area (6:44)
• 27. Lesson: Units of Measurement (1:54)
• 28. Lesson: Geometry Strategies - Part II (1:54)
• 29. Question: Areas of Triangles and Circles (1:15)
• 30. Question: Value of x (1:33)
• 31. Question: ABC Perimeter (1:09)
• 32. Question: Tangent Line (2:08)
• 33. Question: Triangle and Line (1:42)
• 34. Question: Tilted Triangle Area (2:13)
• 35. Question: Possible Lengths of KM (0:42)
• 36. Question: Volume of Sphere (1:35)
• 37. Question: Parallelogram Perimeter (2:16)
• 38. Question: Octagon Angle (1:30)
• 39. Question: Diagonal of a Square (1:22)
• 40. Question: Triangle with Variable Angles (1:44)
• 41. Question: Triangles with Shared Vertex (1:40)
• 42. Question: Circle in the x-y Plane (2:33)
• 43. Question: Cylinder Surface Areas (1:37)
• 44. Question: Area of triangle (2:37)
• 45. Question: Value of w (3:06)
• 46. Question: Diagonal of Rectangle (2:56)
• 47. Question: Triangle in the x-y Plane (1:50)
• 48. Question: Intersecting Circles (3:44)
Total viewing time for the GRE Geometry module: 149 minutes.

## Practice from the Official Guide

Practice the skills and GRE-specific strategies you learned in this module by answering the following questions from the Official Guide to the GRE (3rd edition):

• 116(4), 130(2), 156(2), 157(7), 159(12), 161(3), 163(11), 164(13), 165(1), 166(4), 168(10-11), 280(1-7), 281(8-10), 282(11-12), 283(13-14)

Here are the related questions in the Official Guide to the GRE (1st or 2nd edition):

• 111(4), 125(2), 146(2), 147(7), 149(12), 151(3), 153(11), 154(13), 155(1), 156(4), 158(11), 259(1-3), 260(4-9), 260(10), 261(11-13), 262(14)

Note: The above practice questions are listed in the form page#(question#). So, for example, 111(4) represents question #4 on page 111.