http://www.ck12.org Chapter 7. Similarity
7.6 SSS Similarity
Here you’ll learn how to decide whether or not two triangles are similar using SSS Similarity.
What if you were given a pair of triangles and the side lengths for all three of their sides? How could you use this
information to determine if the two triangles are similar? After completing this Concept, you’ll be able to use the
SSS Similarity Theorem to decide if two triangles are similar.
Watch This
MEDIA
Click image to the left for more content.
CK-12 Foundation: Chapter7SSSSimilarityA
Watch this video beginning at the 2:09 mark.
MEDIA
Click image to the left for more content.
James Sousa:SimilarTriangles
Watch the first part of this video.
MEDIA
Click image to the left for more content.
James Sousa:SimilarTriangles UsingSSSandSAS
Guidance
If you do not know any angle measures, can you say two triangles are similar? Let’s investigate this to see.
Investigation: SSS Similarity
Tools Needed: ruler, compass, protractor, paper, pencil