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High School Geometry
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Demonstrations 161  180 of 309
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
Largest Triangle Inscribed in a Circle
Largest Isosceles Triangle Inscribed in a Circle
Fractal Right Triangle
Intersection of Two Circles
Intersection of a Line and a Circle
Ship Sailing over the Horizon
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