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r = –1
Author:
Steve Phelps
GeoGebra
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ggbBeebies - ggbBimbi
Oriented Angles and the Unit Circle
Right Triangle Trigonometry Ratios: Dynamic Illustrator
Rings of circles
Is it Isosceles?
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Algebra II Chapter 8
constructionsss
Basic Construction 2 Copy a Triangle
Congruent Triangles
GeoGebra snow
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Logarithmic Functions
Congruence
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Right Triangles