Alternate Interior Angles

Investigate

I constructed the alternate interior angles congruent. If you change the angle measurements, are the lines still parallel? If you move the lines, are the lines still parallel?

New Resources

Pitfalls of Disk/Washer Method
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
apec
Exploring GeoGebra for the First Time
Locus Related to Descartes' Folium

Discover Resources

Stuff and Things 2
One-Variable Data Analysis
rotating a triangle in a coordinate plane
City Plan Template

Discover Topics

Geometric Transformations
Isosceles Triangles
Plane Figures or Shapes
Tree Diagrams
Trapezoid