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SSS & SAS Similarity Theorems

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### 6.5 notes

1. 1. 6.5 SSS & SAS Similarity Theorems November 18, 2013 Bellwork Determine if 2 triangles are similar. If they are, write a similarity  statement.  2.  no Yes;     ABE ~     ACD              Find the length of BC  4.    A tree casts a shadow that is 30 feet  long. At the same time a person standing  nearby,who is five feet two inches tall,  casts a shadow that is 50 inches long. How  tall is the tree to the nearest foot? 37 ft 7.5 Nov 29­3:09 PM HW pg.391 #4­22 even, 37 1
2. 2. 6.5 SSS & SAS Similarity Theorems November 18, 2013 6.5 Prove Triangles Similar by SSS & SAS SSS Similarity Theorem:the corr. sides of 2 If R A B C S T s are proportional, then the s are ~. If AB = BC = CA, then ABC ~ RST RS ST TR Nov 29­3:25 PM HW pg.391 #4­22 even, 37 2
3. 3. 6.5 SSS & SAS Similarity Theorems November 18, 2013 Nov 29­3:33 PM HW pg.391 #4­22 even, 37 3
4. 4. 6.5 SSS & SAS Similarity Theorems November 18, 2013 SAS Similarity Theorem:an < ≅ to another < in 2nd If is M are proportional, then are ~. the If <X≅<M & ZX= XY then XYZ ~ MNP , and the included sides X PM MN Z Y P N Nov 29­3:37 PM HW pg.391 #4­22 even, 37 4
5. 5. 6.5 SSS & SAS Similarity Theorems November 18, 2013 Nov 29­3:46 PM HW pg.391 #4­22 even, 37 5
6. 6. 6.5 SSS & SAS Similarity Theorems g. p HW391 November 18, 2013 #4­22 evens & 37 Nov 29­3:47 PM HW pg.391 #4­22 even, 37 6
7. 7. 6.5 SSS & SAS Similarity Theorems November 18, 2013 Nov 1­10:49 AM HW pg.391 #4­22 even, 37 7