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GeoGebra
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Outline
Proofs on Parallel Lines
Vertical Angle Theorem
Two-column proof (Corresponding Angles)
Two-column Proof (Alt Int. Angles)
Same-side Interior Angles Postulate
Converse of Same Side Interior Angles Postulate
Prove Converse of Alternate Interior Angles Theorem
Converse of Corresponding Angles Theorem
Proving Lines Parallel #1
Proofs on Parallel Lines
Author:
Patricia Angela Santos
,
Jenny Secor
Topic:
Angles
Vertical Angle Theorem
Two-column proof (Corresponding Angles)
Two-column Proof (Alt Int. Angles)
Same-side Interior Angles Postulate
Converse of Same Side Interior Angles Postulate
Prove Converse of Alternate Interior Angles Theorem
Converse of Corresponding Angles Theorem
Proving Lines Parallel #1
Next
Vertical Angle Theorem
New Resources
Pythagorean Theorem: Extension Exercises
Congruent Figures
What Do You See?
Linear Equation Graphs: Thin Slice
What Do You See? (2)
Discover Resources
Przekrój ostrosłupa trójkątnego
Exercise 1
Falling Ladder Task (Non-Midpoint Version)
Find area of rectangles
Conics as envelopes
Discover Topics
Differential Equation
Real Numbers
Incircle or Inscribed Circle
Limits
Confidence Interval
