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Khan Academy
Khan Academy: Geometry: Ca Geometry: Secants and Translations
Demonstrates solutions to problems #76-80 of California Geometry released state test questions. Problems address tangents to circles, secants to circles, intercepted arcs, translations on the coordinate plane, and rotations on the...
Khan Academy
Khan Academy: Geometry: Ca Geometry: Similar Triangles 1
This video tutorial [12:55] demonstrates solutions to problems #10-14 of California Geometry released state test questions. Problems address understanding of counterexamples, properties of quadrilateral diagonals, and similar triangles.
Khan Academy
Khan Academy: Geometry: Ca Geometry: Triangles and Parallelograms
In this video lesson [11:14], the instructor demonstrates solutions to problems #21-25 of California Geometry released state test questions. Problems address understanding of the triangle inequality theorem, angle relationships with...
Khan Academy
Khan Academy: Geometry: Ca Geometry: Exterior Angles
Demonstrates solutions to problems #41-45 of California Geometry released state test questions. Problems address finding volumes of rectangular prisms, exterior angles, interior angle sum, and exterior angle sum. [10:53]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Proof by Contradiction
Demonstrates solutions to problems #4-6 of California Geometry released state test questions. Problems address understanding of proof by contradiction and proving triangles congruent. [11:56]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Pythagorean Theorem, Area
Demonstrates solutions to problems #36-40 of California Geometry released state test questions. Problems address understanding of area and knowledge of the area formulas for trapezoids, squares, parallelograms, and triangles. [10:44]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Deducing Angle Measures
Demonstrates how to solve five different problems from a released California Geometry state test that involve finding the measures of angles in different polygons. This video also appears in the Geometry: Worked Examples section. [10:58]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Pythagorean Theorem, Compass Constructions
This video tutorial demonstrates solutions to problems #51-55 of the California Geometry released state test questions. Problems address proving and using the Pythagorean theorem and compass constructions. [12:35]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Circle Area Chords Tangent
Demonstrates solutions to problems #71-75 of California Geometry released state test questions. Problems address Pythagorean theorem, 45-45-90 triangles, 30-60-90 triangles, circumscribed polygons, area, chord length, tangents to circles...
Khan Academy
Khan Academy: Geometry: Ca Geometry: More on Congruent and Similar Triangles
Demonstrates solutions to problems #17-20 of California Geometry released state test questions. Problems address understanding of similar triangles, parallelograms and properties of the diagonals of parallelograms. [11:11]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Deductive Reasoning
Demonstrates solutions to problems #1-3 of California Geometry released state test questions. Problems address understanding of deductive reasoning and congruent angles created by parallel lines cut by a transversal. [10:17]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Area, Circumference, Volume
Demonstrates solutions to problems #31-35 of California Geometry released state test questions. Problems address understanding of perimeter, volume, surface area, area, and Pythagorean theorem. [10:53]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Compass Construction
Demonstrates solutions to problems #56-60 of the California Geometry released state test questions. Problems address compass constructions, slope of perpendicular lines, and using the distance formula. [12:49]
Khan Academy
Khan Academy: Geometry: Ca Geometry: More Trig
The video tutorial [12:21] demonstrates solutions to problems #66-70 of California Geometry released state test questions. Problems address basic trigonometry ratios, 30-60-90 triangles.
Khan Academy
Khan Academy: Geometry: Ca Geometry: More Proofs
Demonstrates solutions to problems #7-10 of California Geometry released state test questions. Problems address understanding of congruent angle pairs when parallel lines are cut by a transversal, counterexamples, and properties of the...
Khan Academy
Khan Academy: Ca Geometry: Basic Trigonometry
Demonstrates solutions to problems #61-65 of California Geometry released state test questions. Problems address the equation of a circle, basic trigonometry. [11:04]