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School Mathematics
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Demonstrations 801 - 820 of 1182
Sin/Cos Function Game
Binary Operators Satisfying Two Axioms
Multiplication of Integers
The Area of a Triangle, its Circumradius, and the Perimeter of its Orthic Triangle
Addition and Subtraction of Integers
Planes, Solutions, and Gaussian Elimination of a 3×3 Linear System
Medial Division of Triangles
The Erdös-Mordell Inequality
Volume Units of Measurement
The Product of the Inradius and Semiperimeter of a Triangle
The Product of the Side Lengths of a Triangle
Relations between Some Triangles Associated with Excircles
Estimating Perimeter and Area of Simple Polygons
Signed Area of a Polygon
Comparing Real Mathematical Constants and Random Numbers
Parametric Necklace
A Fifth-Degree Polynomial and Its Derivatives
The Area of a Triangle inside the Incircle
A Relation between the Areas of Four Triangles
Three Subtriangles of a Triangle
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