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Demonstrations 5261  5280 of 6966
Space Filling with TrapezoidRhombic Dodecahedra and Hexagonal Close Packing
Space Filling with Rhombic Dodecahedra and Cubic Close Packing
Measuring Angles with a Protractor
Normalizing Vectors
The Sum of the Distances from the Orthocenter to the Vertices
Graphical Linear Programming for Three Variables
Medial Division of Triangles
The ErdösMordell Inequality
The Intersection of an Angle Bisector and a Perpendicular Bisector
Two Tangent Lines to a Parabola
Elapsed Time
Decomposing a Rhombic Dodecahedron into a TrapezoidRhombic Dodecahedron
The Perfect Venn Diagram
Radius1/2 Cellular Automata
Volume Units of Measurement
Angle Bisectors on the Circumcircle
Planar ThreeConnected Trivalent Network Mobile Automaton
Angle Measure
The Product of the Inradius and Semiperimeter of a Triangle
The Product of an Altitude and the Circumradius of a Triangle
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