CK-12 Geometry-Concepts

http://www.ck12.org Chapter 4. Triangles and Congruence

4.3 Congruent Triangles

Here you’ll learn what it means for two triangles to be congruent, and how to find the corresponding parts of
congruent triangles.

What if you had a quilt whose pattern was geometric and made up of several congruent figures? In order for these
patterns to come together, the quilter rotates and flips each block (in this case, a large triangle, smaller triangle, and
a smaller square) to get new patterns and arrangements.

How many different sets of colored congruent triangles are there? How many triangles are in each set? How do
you know these triangles are congruent? After completing this Concept, you’ll be able to use your knowledge of
congruent triangles in order to answer these questions.

Watch This

MEDIA

Click image to the left for use the URL below.

URL: http://www.ck12.org/flx/render/embeddedobject/52606

CK-12 Foundation: Chapter4CongruentTrianglesA

MEDIA

Click image to the left for use the URL below.

URL: http://www.ck12.org/flx/render/embeddedobject/1302

James Sousa: Congruent Triangles