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
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Three example problems involving perimeter and area
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Challenging Perimeter Problem
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Perimeter of rectangle covered by 9 non-overlapping squares. From 200) American Invitational Math Exam
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CA Geometry: deductive reasoning
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1-3, deductive reasoning and congruent angles
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CA Geometry: Proof by Contradiction
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4-6, proof by contradiction
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CA Geometry: More Proofs
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7-10, more proofs (10 continued in next video)
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CA Geometry: Similar Triangles 1
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10-14, similar triangles
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CA Geometry: Similar Triangles 2
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15-16, similar triangles
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CA Geometry: More on congruent and similar triangles
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17-20, more similar and congruent triangles
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CA Geometry: Triangles and Parallelograms
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21-25, triangles and parallelograms
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CA Geometry: Area, Pythagorean Theorem
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26-30, area, circumference, pythagorean theorem
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CA Geometry: Area, Circumference, Volume
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31-35, area, circumference and volume
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CA Geometry: Pythagorean Theorem, Area
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36-40, Pythagorean Theorem and Area
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CA Geometry: Exterior Angles
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41-45, polygons, exterior angles
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CA Geometry: Deducing Angle Measures
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46-50, deducing the measure of angles
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CA Geometry: Pythagorean Theorem, Compass Constructions
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51-55, Pythagorean Theorem, compass constructions
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CA Geometry: Compass Construction
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56-60, compass construction, coordinates
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CA Geometry: Basic Trigonometry
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61-65, basic trigonometry
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CA Geometry: More Trig
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66-70, more trigonometry
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CA Geometry: Circle Area Chords Tangent
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71-75, area, chords, tangents of circles
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CA Geometry: Secants and Translations
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76-80, secants and graph translations
Worked Examples
Sal does the 80 problems from the released questions from the California Standards Test for Geometry. Basic understanding of Algebra I necessary.