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yen23022006
GeoGebra
If AB is parallel to DC, angle ABC is equal to angle CDA, and angle BCD is equal to angle DAB, then ABCD is a parallelogram. True
New Resources
Linear Cross Section Exercise
Drag that Point!
Construct a Square
Rotating Points (Optical Illusion)
van Aubel's Theorem
Discover Resources
Reservoir Project final
Andrew's Second Applet
Wksht4: Equation of Tangent Line (roots)
Square numbers
Teorema de Monge
Discover Topics
Incircle or Inscribed Circle
Rational Numbers
Function Graph
Triangles
Scatter Plot