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Author:
Elizabeth McCollum
GeoGebra
<DEF is a straight angle. Find m<DEC and m<CEF.
Set Up: 11x-12+2x+10=180. Solve.
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The Coordinate Plane (Cartesian Plane)
Parallel Lines & Related Angles: Quick Reminders
Cartesian Notation of a Vector
רישום חופשי
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