In mathematics, congruent means equal in size and shape. Congruent sides and segments have the same length, congruent angles have the same number of degrees, and congruent figures and equivalent sides, faces and angles.

en.wikipedia.org/wiki/Congruence_(geometry)

In geometry, two figures or objects are congruent if they have the same shape
and size, or if one has the same shape and size as the mirror image of the other.

www.math.com/school/subject3/lessons/S3U3L1GL.html

Two polygons are congruent if they are the same size and shape - that is, if their
... on the left to see the corresponding parts of the congruent figure on the right.

www.basic-mathematics.com/congruent-shapes.html

This lesson about congruent shapes will teach you to recognize quicky when two
shapes are congruent.

www.ixl.com/math/geometry/identify-congruent-figures

Fun math practice! Improve your skills with free problems in 'Identify congruent
figures' and thousands of other practice lessons.

study.com/academy/lesson/what-are-congruent-figures-definition-examples.html

In this lesson, you'll learn what congruent figures are. You'll also see a few
examples of congruent and non-congruent figures. Then, test your...

www.mathsisfun.com/geometry/congruent.html

Congruent or Similar? The two shapes need to be the same size to be congruent.
When we need to resize one shape to make it the same as the other, the ...

www.mathgoodies.com/glossary/term.asp?term=congruent figures

Math definition for congruent figures. Our Math Glossary provides more than
simple definitions: A link to a related lesson is provided for each term in our ...

www.learnnc.org/lp/pages/3028

Congruent figures. This is a fun, hands-on activity to help students identify
congruent figures. A lesson plan for grades K–1 Mathematics. By Jennifer
Robinson ...

www.sheppardsoftware.com/mathgames/geometry/shapeshoot/SSCongruentSimilar.htm

Learn about triangles the fun way in this Triangle Shoot Geometry Math Game.