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# Miscellaneous

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Challenge problems: perimeter & areaChallenging perimeter problemCA Geometry: Deductive reasoningCA Geometry: Proof by contradictionCA Geometry: More proofsCA Geometry: Similar triangles 1CA Geometry: More on congruent and similar trianglesCA Geometry: Triangles and parallelogramsCA Geometry: Area, pythagorean theoremCA Geometry: Area, circumference, volumeCA Geometry: Pythagorean theorem, areaCA Geometry: Exterior anglesCA Geometry: Pythagorean theorem, compass constructionsCA Geometry: Compass constructionCA Geometry: Basic trigonometryCA Geometry: More trigCA Geometry: Circle area chords tangent