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Perplexing parallelograms

Author:Shannon McClintock

Topic:Parallelogram

New Resources

What Do You See?
Perpendicular Lines: Quick Exploration
Isosceles Right Triangle
挂谷问题——三尖瓣形
Quadrant Illustrator 2

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Positive and negetive slope
Spiral of Pythagoras
Dot product and angle between 2 vectors
Example 1
PeterRhombus

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Incircle or Inscribed Circle
Pie Chart or Circle Chart
Plane Figures or Shapes
Means
Natural Numbers

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