Segments in this Video

World of Triangles: Definitions & Basic Facts (09:35)


A triangle can be classified by angles or side length. Prove the theorem that the sum of all angles equals 180 degrees. Learn the definition and function of corollaries and review definitions for complementary, remote interior, and exterior angles.

Proving Triangles Congruent (09:39)

Learn the characteristics of congruent triangles. See examples of congruence using the CPCTC statement, and the SSS, SAS, and ASA postulates.

Using Congruent Triangles (04:01)

Use the CPCTC to prove the congruence of triangles in a parallelogram, and parallel lines. Review the concepts of triangles discussed in this film.

Credits: Triangles (01:08)

Credits: Triangles

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Part of the Series : Teaching Systems Geometry Series
3-Year Streaming Price: $129.95



Topics covered in this video: equilateral triangles, isosceles triangles, scalene triangles, equiangular triangles, right triangles, obtuse triangles, and acute triangles.

Length: 26 minutes

Item#: BVL154990

Copyright date: ©2011

Closed Captioned

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