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Exterior Angle Theorem

Author:Brent Peiffer

New Resources

Average Value
Billard V5.2 and V6
Tetrahedron String Art
Visualizing the Pythagorean Identity with Sine and Cosine
GGB is Awesome!

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Comparing fractions using number lines and rectangles
Rule 2
John_McFadden_Qtr1project_02
Triangle Congruence

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Square
Symmetry
Quadrilaterals
Rectangle
Secant Line or Secant

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