7.4. Similarity by SSS and SAS http://www.ck12.org
6. AB? =BC? =AC?
- If 4 ABChad an altitude,AG=10, what would be the length of altitudeDH?
Use the diagram to the right for questions 8-12.
8. 4 ABC∼4
- Why are the two triangles similar?
- FindED.
- BD? =BC? =DE?
- IsADDB=CEEBa valid proportion? How do you know?
Determine if the following triangles are similar. If so, write the similarity theorem and statement.