Two objects are congruent if they have the same dimensions and shape. If A and B are two objects being compared, such as line segments, angles, triangles, etc., then the statement is read as "A is congruent to B." Two triangles are congruent if their corresponding sides are equal in length and their corresponding angles are equal in size. Congruent triangles can be shown through the following comparisons: 3 sides (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), Angle-Angle-Side (AAS), or Hypotenuse-leg (HL).
Polygons are congruent if:
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In math there are many key concepts and terms that are crucial for students to know and understand. Often it can be hard to determine what the most important math concepts and terms are, and even once you’ve identified them you still need to understand what they mean. To help you learn and understand key math terms and concepts, we’ve identified some of the most important ones and provided detailed definitions for them, written and compiled by Chegg experts.