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Geometry Videos
This video explains the vertical angle theorem. Learn about supplementary angles, adjacent angles, and linear pairs, plus bungee jumping. Intersecting lines have never been more fun.
Congruence Videos 5 videos
This video explains the vertical angle theorem. Learn about supplementary angles, adjacent angles, and linear pairs, plus bungee jumping. Intersect...
ACT Math: Plane Geometry Drill 1, Problem 2. In the following diagram, what does Angle 2 measure?
You have to feel bad for goats whose horns are in the shape of polygons. You just know they got ridiculed for it back at Goat High. Kids can be so...
Experiment with transformations in the plane Videos 5 videos
If you were looking for the trailer for the new Michael Bay movie, you've got the wrong number. Transformations are rotations, reflections, and tra...
Translations: now without the trans fat. Functions: now without the…fun? Wait, scratch that. Now with extra fun! Don’t believe us? There's only...
Measurement and Geometry Drill 5 Problem 4. Which of the following best describes the transformation as shown in the graph below?
Prove geometric theorems Videos 4 videos
Formal proofs present the oh-so-mathematical evidence in two columns: one for the statement they are claiming is true, and the other for the reason...
Indirect proofs (or proofs by contradiction) prove their conclusion by showing that the opposite cannot be true. You can use this in math and in ar...
If you already know what a conditional statement is, then you're smarter than you look. And boy do you look smart.
Understand congruence in terms of rigid motions Videos 5 videos
ACT Math: Plane Geometry Drill 1, Problem 2. In the following diagram, what does Angle 2 measure?
If you were looking for the trailer for the new Michael Bay movie, you've got the wrong number. Transformations are rotations, reflections, and tra...
Translations: now without the trans fat. Functions: now without the…fun? Wait, scratch that. Now with extra fun! Don’t believe us? There's only...