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Demonstrations 661  680 of 824
Ptolemy's Theorem
Estimating Percentages
Euclid's Proof of the Pythagorean Theorem
Click a Country
The Perpendicular Bisector of a Chord
Time and Weight in the Solar System's Planets
Voronoi Diagrams
Negligible Senescence Scenario
Your Favorite Necktie
Eggs using Spherical Coordinates
Mercury's Perihelion Precession
Multiplying with Lines
Elementary Cellular Automaton Egg
The Chordal Theorem
How the Altitude Divides the Hypotenuse
Unfolding Polyhedron Nets
Dividing a Right Triangle by the Altitude to the Hypotenuse
Taxicab Voronoi Diagram by a Cellular Automaton
The Area of a Triangle as Half a Rectangle
Inscribed Angles That Intercept the Same Arc
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