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Demonstrations 1 - 19 of 19
Pi = 4?
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Halving the Perimeter of a Zigzag Polygon
Length of an Arc of an Ellipse and the Area It Subtends
Bisecting the Area and Perimeter of a Triangle
Discrete Number Theory Plots
Resizable Number Theory Tables
Number Theory Tables
Approximate Area and Circumference of a Circle Using Isosceles Triangles
Area, Perimeter, and Diagonal of a Rectangle with Uncertain Sides
Calculating Area, Perimeter, and Diagonal Length of a Rectangle
The Sum of the Perimeters of Three Subtriangles
Tiles around a Swimming Pool
Rectangles: Perimeter and Area
Estimating Perimeter and Area of Simple Polygons
Inflating a Koch Snowflake
Sagitta, Apothem, and Chord
Isoperimetric Inequality for Polygons
Circumference of a Circle
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