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Euclid's Elements - Book III, Proposition 22
Author:
mtpberg
Topic:
Circle
If a quadrilateral is inscribed in a circle, then its opposite angles are supplementary.
GeoGebra
New Resources
Piano. Keyboard.
Napoleon's Theorem
Cross Product in 2D and 3D
Slope of a Straight Line: Run and Rise
Bottema's Theorem
Discover Resources
Jan 5th HW complete
SSS Congruence
Triangle Congruence - ASA
pattern and tiles
rotation about the axis 0 to 1
Discover Topics
Optimization Problems
Scalene Triangles
Hypothesis Testing
Cone
Mode