Geometry - Congruent Triangles

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Triangles are congruent if both their corresponding angles and their corresponding sides are congruent. Once you know that two triangles are congruent, you can use the knowledge you have about one triangle to calculate parts of the other triangle. You'll learn how to do this and more in today's free Geometry video on Congruent Triangles. Watch as Professor Burger shows you how knowing two triangles are congruent can make it simpler to calculate the different properties of each triangle. You'll learn how to prove the triangles are congruent by using the definition of congruence. With several examples to practice, you'll get a great overview of congruent triangles over the 4 lectures on today's video. Make certain you click on the forward button directly to the left of the time stamp to move to the next lecture so you don't miss a second!

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Geometry - Isosceles and Equilateral Triangles from Official Thinkwell Blog - Articles and Free Videos for Math, Science, and more on December 7, 2010 2:12 PM

Triangles can be tricky for some folks, but there are several theorems to make things simpler. For example, the Isosceles Triangle Theorem, which states, if two sides of a triangle are congruent, then the angles opposite the sides are congruent. Half th... Read More

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This page contains a single entry by April Stockwell published on December 3, 2010 12:32 PM.

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