Khan Academy on a Stick
Worked examples
Sal does the 80 problems from the released questions from the California Standards Test for Geometry. Basic understanding of Algebra I necessary.
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Interesting perimeter and area problems
Three example problems involving perimeter and area
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Challenging perimeter problem
Perimeter of rectangle covered by 9 non-overlapping squares. From 200) American Invitational Math Exam
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CA Geometry: Deductive reasoning
1-3, deductive reasoning and congruent angles
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CA Geometry: Proof by contradiction
4-6, proof by contradiction
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CA Geometry: More proofs
7-10, more proofs (10 continued in next video)
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CA Geometry: Similar triangles 1
10-14, similar triangles
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CA Geometry: More on congruent and similar triangles
17-20, more similar and congruent triangles
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CA Geometry: Triangles and parallelograms
21-25, triangles and parallelograms
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CA Geometry: Area, pythagorean theorem
26-30, area, circumference, pythagorean theorem
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CA Geometry: Area, circumference, volume
31-35, area, circumference and volume
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CA Geometry: Pythagorean theorem, area
36-40, Pythagorean Theorem and Area
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CA Geometry: Exterior angles
41-45, polygons, exterior angles
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CA Geometry: Deducing angle measures
46-50, deducing the measure of angles
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CA Geometry: Pythagorean theorem, compass constructions
51-55, Pythagorean Theorem, compass constructions
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CA Geometry: Compass construction
56-60, compass construction, coordinates
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CA Geometry: Basic trigonometry
61-65, basic trigonometry
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CA Geometry: More trig
66-70, more trigonometry
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CA Geometry: Circle area chords tangent
71-75, area, chords, tangents of circles
Worked examples
Sal does the 80 problems from the released questions from the California Standards Test for Geometry. Basic understanding of Algebra I necessary.