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* CCSS and PARCC specifically mention AA in relation to similar triangles. Engage NY also mentions SSS and SAS methods.
Engage NY specifies dilations not centered at the origin.
LESSONS: 
* calculator link 

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Dilations (properties, definition, scale factors, use on coordinate axes) 
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Stretches (vertical and horizontal dilations) 
not specified in CCSS/PARCC 

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not specified in CCSS/PARCC 

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Similarity in relation to Circles Proofs appears under Circles 
REFRESHERS: (while these topics are mostly "review", you may also find new information here) 
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