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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
רישום חופשי
Toroidal Spiral
Angles of Intersecting Lines
Average Distance
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Discover Resources
Problem 10 JB
circles
Mid-segment exploration
Circle Theorem 1
Formel - plus
Discover Topics
Sine
Poisson Distribution
Combinatorics
Integers
Circumcircle or Circumscribed Circle