## 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 [...]

#### GMAT Geometry: You Don’t Need to Solve for ‘S’

Consider if using this mixed approach will help you get to the right answer more quickly.

#### 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.

#### How to Become a Great GMAT Guesser – Part 2

Learn when and how to guess on the GMAT.

#### How to Tackle Every Single GMAT Problem (Seriously!) – Part 1

Here's one set of principles tying together everything we need to do on the GMAT.

#### GMAT Practice Problems: Similar Geometric Figures

Try out these four practice problems involving similar figures then check out the expert solution.

#### GMAT Avengers Study Group: Triangles

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

#### Recognizing Similar Triangles

Don’t wait for the GMAT to make similar triangles as obvious as Dr. Evil and Mini-Me.

#### Manhattan GMAT Challenge Problem of the Week – 9 December 2013

Draw a picture to solve this week's GMAT challenge. Can you get the right answer?

#### Tackling Multishape Geometry on the GMAT

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

#### Manhattan GMAT Challenge Problem of the Week – 18 November 2013

Have a try at this week's challenge problem. Can you get to the right answer?

#### Manhattan GMAT Challenge Problem of the Week – 28 October 2013

In order to solve this week's challenge note that a rectangle is symmetrical.

#### Manhattan GMAT Challenge Problem of the Week – 2 September 2013

The task of this week's challenge is to pick a combination of three random integers.