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Congruent Triangles Definition Algebra. Draw two circles of the same radius and place one on another. Congruent sides are sides that have equal measures.

Activities, worksheets, fun ideas, and so much more! Isosceles & equilateral triangles problems. Cpctc is an acronym for corresponding parts of congruent triangles are congruent.

There are a few key vocabulary terms and notations that you need to know in addition to the definition for congruent, which simply means the same angle measurement.

This means that the corresponding sides are equal and the corresponding angles are equal. The triangles will have the same size & shape, but 1 may be a mirror image of the other. Give a reason to support your answer. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there. Scroll down the page for more examples and solutions on how to use cpctc. Congruence is the term used to describe the relation of two figures that are congruent.