Download
Free Trial
Buy Now
$59 Instant & Secure
Support
email and FAQs
Figure Gallery
download figures
Alternate Interior Angles

Download Math Illustrations File

When two lines are cut by a third line (the transversal), two angles that are on the inside of the first two lines and on opposite sides of the transversal are alternate interior angles. If the two lines are parallel, then the angles are congruent.

Alter the upper θ to change the angle.

Download As:
Geometry Expressions