The portal has been deactivated. Please contact your portal admin.

Lesson: Congruence of Triangles: ASA and AAS Mathematics • 8th Grade

In this lesson, we will learn how to prove that two triangles are congruent using either the angle-side-angle (ASA) or the angle-angle-side (AAS) criterion and determine whether angle-side-side is a valid criterion for triangle congruence or not.

Lesson Plan

Lesson Video

Video Thumbnail

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.