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Author:Steve Phelps

instructions for student

New Resources

Perpendicular Lines: Quick Exploration
Squares Question
Pythagorean Template: Integer Legs
繪畫垂直線
What Do You See? (2)

Discover Resources

Start, Copy an Angle
Equilateral Triangle Part 1
Definition of a Construction (p. 30)
Harmonic Series (Sound Synthesis)
Half-Turns in Three Non-Collinear Points

Discover Topics

Area
Trigonometry
Variance
Multiplication
Boxplot

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