## The GMAT/MBA Library

Explore the world's largest collection of GMAT prep and MBA admissions content.

#### Crazy GMAT Circles (Easier Than You Think)

Remembering the basics of diameter, radius, area, and circumference can get you very far on these questions.

#### Know the GMAT Code: Mixed-Shape Geometry

Geometry can be fairly straightforward on the GMAT. It can also be seriously convoluted. We’re going to talk about one of the big ways that [...]

#### Land Your Score: Circle Ratio Geometry Problems

Gain key insights and strategies for improving your GMAT performance on Test Day.

#### GMAT Data Sufficiency Geometry Practice Question

Test your geometry skills with these DS practice problems.

#### Circle Problems on the GMAT

Test your geometry skills with these practice problems involving circles.

#### GMAT Avengers Study Group: Circles

Gain valuable tips on how to tackle Circle questions from our GMAT Avengers group.

#### Tackling Multishape Geometry on the GMAT

Remember Stacey's Quant Process: Reflect before you Work!

#### GMAT Avengers Study Group: Tackling Geometry

Gain valuable tips on how to tackle Geometry problems from our GMAT Avengers group.

#### Commanding the Clock on the GMAT

Sometimes you need to make a tough choice and move on.

#### Important GMAT Skills: Working with Circles

Make sure that you are fully prepared for circle problems on test day!

#### A Lesser-Known Theorem for Circles

The inscribed angle theorem can help you solve for angles that involve circles -- and even for those that don't.

#### Manhattan GMAT Challenge Problem of the Week – 12 Dec 2011

Geometry time: try this problem with circles and a hexagon to see if you've got the hang of circle theory.

#### Data Sufficiency: It’s Just A Game

Is the answer really C? Or did you just lose the GMAT game?

#### Intuition and Common Sense on Geometry DS Questions

Who cares about the value of x? Well, on DS, we don't!

#### Manhattan GMAT Challenge Problem of the Week – 19 Sept 2011

Check out this interesting geometry problem that tests your knowledge of circles.