What is the difference between the law and def of congruence? I dont understand when to use which one, does it matter?

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- Nov 10th 2008, 01:33 PMIDontunderstandCongruence
What is the difference between the law and def of congruence? I dont understand when to use which one, does it matter?

- Nov 10th 2008, 02:52 PMmasters
Not sure what you mean by "law" of congruence. Two plane geometric figures are said to be congruent if they have the same size and shape.

Angles are congruent if their measures are equal.

Segments are congruent if their lengths are the same.

Polygons are congruent if their corresponding sides and angles are congruent.

The difference between "congruent" and "equal" deals with whether it's a geometric figure or a value of measurement.

For instance, only if . and represent real numbers, whereas and represent shapes.