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Historical Mathematics
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Demonstrations 261  280 of 369
The Area of a Triangle as Half a Rectangle
Inscribed Angles That Intercept the Same Arc
Pappus Chain
Plots of Compositions of Bitwise Operations
Witch of Agnesi
Egyptian Fractions
Pi Digits Bar Chart
Tangent Circles
Division of the Opposite Side by an Angle Bisector
The Eyeball Theorem
Equally Distant Chords
Side Lengths Opposite Unequal Angles
Tautochrone Problem
Tangents to a Circle
Tangent Chord Angle
Triangles: Scalene, Isosceles, and Equilateral
Triangles: Acute, Right, and Obtuse
Relatively Prime Numbers and Zeta(2)
Finding the Least Common Multiple of Two Numbers by Factoring
A 2pire Map
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