Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Proof Without Words - Parallel Line 1
Author:
Prof F. Prioleau
Instructions
Using the geogebra tools and the given diagram to prove: If two lines are parallel, then the alternate interior angles are congruent.
Parallel Lines Intersected by a Transversal
GeoGebra
New Resources
Roman Numerals Bingo
Droste effect draft
Slipper
Is it Isosceles?
Flag in the wind
Discover Resources
billard en rotation
ReihenfolgeScripting_GGB4_02
Algebra 1: Point-Slope & Beyond
Step 3
Pizza
Discover Topics
Polygons
Pie Chart or Circle Chart
Translation
Percentages
Normal Distribution