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Demonstrations 5301  5320 of 7079
The Center and Radius of the NinePoint Circle
Percent of a Number
Classifying Quadrilaterals
The Distance to the Orthocenter
2D View of a Conformal Mapping
Rectangles: Perimeter and Area
Arithmetic Sequences
Similar Triangles Determined by Miquel Circles and the Circumcircle
NeighborDependent Substitution System
Dihedral Group n of Order 2n
Seismicity of Germany
A Remarkable Formula Of Ramanujan
Digit Frequencies in the CopelandErdos Constant
Parabolic Envelope from Congruent Triangles
The Incircle and the Altitudes of a Triangle
Circumradii Perpendicular to the Sides of the Orthic Triangle
NoFourInPlane Problem
Solving Multiplication Equations
Comparing Integers
Finding the Linear Function Rule
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