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High School Mathematics
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Demonstrations 161  180 of 1099
Regular Polygon Maker
Number of Handshakes
Comparing Temperature Scales
A Negative Times a Negative Is Positive
Custom Orthogonal Axes for 3D Graphics
nth Roots of a Complex Number
Eigenvectors by Hand
Histograms of Heating and Cooling Degree Days
Vector Addition is Commutative
Plane Sections of a Cone
How Many Rectangles Are There?
Euclid, Book 3, Proposition 22
Drawing an Oval with a String and Three Nails
Difference Formula for Cosine
Reflection Matrix in 2D
Angle Bisectors of Two Intersecting Lines
Eratosthenes's Measure of the Earth's Circumference
Graph and Contour Plots of Functions of Two Variables
Derivatives of the Sum of Two Sines
The Wire Problem
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