Classify triangles by sides and angles. Discover special properties of isosceles and equilateral triangles. Learn how to prove triangles are congruent using SAS, SSS, ASA, AAS, and HL.

Angles of Triangles

Classify triangles by sides and angles. Learn the terminology likeĀ remote interior angles.

Stacie Bender taught high school mathematics and technology courses for 17 years. She was the Director of Training at Managed.com for four years. She returned to the classroom teaching geometry, algebra II, and honors precalculus in August, 2015.

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