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#### Probability: Permutations and Combinations

Bhaswith Suresh

Permutations and combinations: Learn about the various topics in this complex, vita; part of the test. To access this material, lets get started

#### Geometry: An introduction

Amrita Sahu

Geometry Applications: This is the First lesson in Geometry. It covers various elemental concepts and is a good place to start to build a strong foundation. If you do not feel that your knowledge of triangles is strong after this this lesson, refer to our triangles and angles lesson to get more practice!

#### Geometry: Angles and Triangles

Hailena Bian

In this lesson, learn about the types of triangles, how to use special cases of triangles to solve problems quickly, and the types of angles found in triangles.

#### Patterns: Introduction

Lauren Hyde

This is the first step towards understanding patterns and sequences. In this lesson, you will find the basics of solving common sequences and learn the prerequisites for more advances lessons.