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High School Geometry
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Demonstrations 141  160 of 309
Equally Distant Chords
Side Lengths Opposite Unequal Angles
Tangents to a Circle
Tangent Chord Angle
Triangles: Scalene, Isosceles, and Equilateral
Triangles: Acute, Right, and Obtuse
Dintzl's Law of Cosines Dissection
Constructing a Regular Pentagon with Ruler and Compass
Centroid Hexagon
Hunger's Law of Cosines Dissection
Van Aubel's Theorem for Quadrilaterals
The Perpendicular Bisectors of a Triangle
Addition Formula for Sine
Skew Lines
The Ratio Theorem
Intersecting Secants Theorem
Calculating the Distance between Two Inaccessible Points
Intersecting Chords Theorem
Opposite Angles of a Quadrilateral in a Circle
Largest Triangle Inscribed in a Circle
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