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Discovery Part 1
Author:
pyruswild
GeoGebra
If a quadrilateral is a parallelogram, then both pairs of opposite lines are congruent.
New Resources
Poorly Drawn Parallelograms 3
Variation Theory Parallelogram Proofs
alg2_05_05_04_applet_exp_fxn_flvs
Blancmange curve (fractal)
探究由平行線和截線所成的角
Discover Resources
geometry project
Move the point around the circumference of the circle
ฟังก์ชันตรีโกณมิติ By teacher pat
Unit Circle Investigation 2
Шинэлэг санаа, шийдэл
Discover Topics
Quadratic Equations
Logic
Derivative
Step Functions
Surface