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Introduction to GeometryFundamentals of geometry, including angles, triangle similarity and congruence, complicated area problems, mastering the triangle, special quadrilaterals, polygons, the art of angle chasing, power of a point, 3dimensional geometry, transformations, analytic geometry, basic trigonometry, geometric proof, and more.This course is University of California ag approved. Click here for more details. 
24 weeks 
24 weeks ARE YOU READY? DO YOU NEED THIS? 
Schedule
Wednesday
May 24  Nov 1 
7:30  9:00
PM ET
May 24  Nov 1
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
Luis Ares 
$495
$552 w/books

$495
FULL
With Books $552

Thursday
Jun 8  Nov 16 
7:30  9:00
PM ET
Jun 8  Nov 16
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
Achilleas Sinefakopoulos 
$495
$552 w/books

$495
FULL
With Books $552

Monday
Jun 12  Dec 4 
7:30  9:00
PM ET
Jun 12  Dec 4
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
Heather Finotti 
$495
$552 w/books

$495
WAITLIST
With Books $552

Friday
Jun 30  Dec 15 
7:30  9:00
PM ET
Jun 30  Dec 15
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
Achilleas Sinefakopoulos 
$495
$552 w/books

$495
ENROLL
With Books $552
2 spots left 
Tuesday
Aug 8  Feb 6 
7:30  9:00
PM ET
Aug 8  Feb 6
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
Jon Joseph 
$495
$552 w/books

$495
ENROLL
With Books $552

Wednesday
Sep 6  Mar 7 
7:30  9:00
PM ET
Sep 6  Mar 7
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
TBA 
$495
$552 w/books

$495
ENROLL
With Books $552

Monday
Sep 18  Mar 19 
7:30  9:00
PM ET
Sep 18  Mar 19
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
TBA 
$495
$552 w/books

$495
ENROLL
With Books $552

Friday
Oct 20  Apr 20 
7:30  9:00
PM ET
Oct 20  Apr 20
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
TBA 
$495
$552 w/books

$495
ENROLL
With Books $552

Tuesday
Nov 28  May 22 
7:30  9:00
PM ET
Nov 28  May 22
7:30  9:00 PM Eastern 6:30  8:00 PM Central 5:30  7:00 PM Mountain 4:30  6:00 PM Pacific Click here to see more time zones 
TBA 
$495
$552 w/books

$495
ENROLL
With Books $552

AoPS Holidays
Who Should Take?
This is the most challenging of our Introduction series of classes. We recommend that students complete our Introduction to Algebra B course, or are able to pass the Introduction to Algebra B posttest, prior to taking Introduction to Geometry.Lessons
Lesson 1  Angles 
Lesson 2  Triangle Angles and Congruent Triangles 
Lesson 3  Isosceles & Equilateral Triangles, Perimeter, and Area 
Lesson 4  Similar Triangles 
Lesson 5  Similar Triangles and Right Triangles 
Lesson 6  More Right Triangles! 
Lesson 7  Special Parts of a Triangle 
Lesson 8  Special Parts of a Triangle, Continued! 
Lesson 9  Quadrilaterals 
Lesson 10  More Quadrilaterals 
Lesson 11  Polygons 
Lesson 12  Geometric Inequalities 
Lesson 13  Introduction to Circles 
Lesson 14  Circles and Angles 
Lesson 15  Tangents 
Lesson 16  Power of a Point 
Lesson 17  3D Geometry Part 1 
Lesson 18  3D Geometry Part 2 
Lesson 19  Transformations 
Lesson 20  Analytic Geometry 
Lesson 21  More Analytic Geometry 
Lesson 22  Basic Trigonometry 
Lesson 23  Problems! 
Lesson 24  More Problems! 
Required Textbook
Introduction to Geometry
A full course in challenging geometry for students in grades 710, including topics such as similar
triangles, congruent triangles, quadrilaterals, polygons, circles, funky
areas, power of a point, threedimensional geometry, transformations, introductory trigonometry, and
more.
