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California Standards Test: Geometry
by khanacademy
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California Standards Test: Geometry
by khanacademy
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CA Geometry: deductive reasoning
by khanacademy
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CA Geometry: Proof by Contradiction
by khanacademy
- 3
CA Geometry: More Proofs
by khanacademy
- 4
CA Geometry: Similar Triangles 1
by khanacademy
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CA Geometry: Similar Triangles 2
by khanacademy
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CA Geometry: More on congruent and similar tria...
by khanacademy
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CA Geometry: Triangles and Parallelograms
by khanacademy
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CA Geometry: Area, Pythagorean Theorem
by khanacademy
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CA Geometry: Area, Circumference, Volume
by khanacademy
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CA Geometry: Pythagorean Theorem, Area
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CA Geometry: Exterior Angles
by khanacademy
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CA Geometry: Deducing Angle Measures
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CA Geometry: Pythagorean Theorem, Compass Const...
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CA Geometry: Compass Construction
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- 15
CA Geometry: Basic Trigonometry
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CA Geometry: More Trig
by khanacademy
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CA Geometry: Circle Area Chords Tangent
by khanacademy
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CA Geometry: Secants and Translations
by khanacademy
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CA Geometry: deductive reasoning
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Uploaded on Jan 2, 2009
Learn more: http://www.khanacademy.org/video?v=Gl...
1-3, deductive reasoning and congruent angles
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Top Comments
hunnyfunny 3 years ago
im pretty sure i just learned more in this 10 minute video than that last three weeks of 1 hour classes so you sir are the man!
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jackuy12345 4 years ago
keep them coming, lets introduce this kind of learning to america public school, this kind of learning might bring a lot of help to students, lets get us out of the boring learning style by the teachers!!!
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All Comments (17)
Karl Ketterer 9 months ago
thanks
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Daniel Rkman 11 months ago
Why does the American education system complicate everything by giving unnecessary terminology?
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Nitsua anime 1 year ago
Thanks your video helped me and made deductive reasoning less complicated for me!
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Un1234l 1 year ago
The first example Sal used is an example of a categorical syllogism.
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into357 1 year ago
thank you thank you!!
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curryeater259 1 year ago
like most of the retarded teachers i have in my school, this guys actually passionate about what he does which makes the learning experience much more fun than if one of my teachers (who would rather be anywhere else) taught me it.
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paulceltics 2 years ago
for the win
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SCIENTIST619 2 years ago
omg is this so much better for me i forgot where i put my book so i figured a video would kind of give me an idea but ur videos are WAY better that staring at my book for 3 hours thinking WTF?
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