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

Right Triangle Inscribed in a Semicircle
Congruent Sides & Angles in △s: Exploration
Midpoint Theorem (V2): Integer Solutions
Linear Equation Graphs: Thin Slice
Pythagorean Theorem: Quick Illustrator

Discover Resources

Approximation of Pi
Exterior Angles
Piram_1_b
ระบบสมการเชิงเส้น
Linear Equations and functions

Discover Topics

Correlation
Multiplication
Matrices
Right Triangles
Variance