**KGSEA VIDEO LECTURES**

**KGSEA VIDEO LECTURES**

**Knowledge Base for All AMC Levels**

“What you need to know before you try any problems”

**Number Theory**

Divide By 25

Close

Arithmetic Series

Close

LCM

Close

Grouping1

Close

Defined Operator

Close

Power Of 2 Fractions

Close

Parallel Resistors

Close

Power Of 2

Close

Divisibility By 6

Close

**Geometry**

Pythagorean1 Triples

Close

Area Of Circle Sectors

Close

Mean Median Mode

Close

Symmetry Reflection

Close

Equal Areas Triangle

Close

Equal Areas Rectangle

Close

Work Intro

Close

Work Painting

Close

Work PoolFilling

Close

Picks Theorem

Close

45 45 90 Triangle

Close

Line Of Symmetry

Close

City Block Distance

Close

Medians Of Triangle

Close

Inscribed Semi Circle

Close

Triangle Area Ratio

Close

**Counting and Probability**

Probability 1

Close

Permutation

Close

Combination 1

Close

Hand Shake Problem

Close

Arithmetic Sequence

Close

Modulus Function

Close

Telescoping Series

Close

1st D to 2nd D

Close

Average Of Averages

Close

Solution Problems

Close

Complement 1

Close

Complement 2

Close

Complement 3

Close

Complement 3A

Close

Complement 4

Close

Trinomial Expansion 1

Close

Trinomial Expansion 2

Close

Trinomial Expansion 3

Close

Trinomial Expansion 4

Close

Trinomial Expansion 5

Close

**AMC 8/10/12 Problems & Solutions**

AMC 8 (1987_1988_1989)

AMC 8 (1990_1991_2002)

AMC 8 (2003_2004_2005)

AMC 8 (2006_2007_2008)

AMC 8 (2009)

AMC 10 (2006A, 2006B, 2007A)

AMC 10 (2007B, 2008A)

AMC 12 (2006A, 2006B, 2007A)

AMC 12 (2007B, 2008A)

**Other Resources**

#674 Korea house Ctr, 45-11 Yeouido-Dong, Yeongdeungpo-Ku, Seoul Korea 150-736

서울 영등포구 영등포구 여의도동 45-11 주택건설회관 674 우>150-736**INFO@KGSEA.ORG**

M | T | W | T | F | S | S |
---|---|---|---|---|---|---|

« Feb | ||||||

1 | 2 | 3 | 4 | |||

5 | 6 | 7 | 8 | 9 | 10 | 11 |

12 | 13 | 14 | 15 | 16 | 17 | 18 |

19 | 20 | 21 | 22 | 23 | 24 | 25 |

26 | 27 | 28 | 29 | 30 | 31 |

© 2023 All rights reserved. KGSEA by PatrickYoo

Password Reset

Please enter your e-mail address. You will receive a new password via e-mail.