### Professor Brown

Ch. 9

 a r o t y a c a a t i a f n s o o a f e e o n r m n e s e y t s a u t r r o s n o i t a m r o f s n a r t e z i s l a n o e o n v r i i x o t f a r a a f u f p m n o s e d u t i l i m i s t t r a d m s t i l c c m e o f a t u t l a o e y a e i t a t c i r i o n x o o s u x s f f d f o t o m e o c e s r t t a i e n s e a i s i r r a i o n l i o o f s a l i o f n o o r h e f a a e l s i u a a n o i t a t n e i r o d t s a o c e s p r a t s c l s s a o u t i r s t r i u t u i s a i r r f t n a s a a i a t i x s t n f r l s m s t m f t s a a o m e r u f e t o f s t n m s e e t n o t m l m o l a e m s a i f a x r s s t a s f t l a a a l s u l f e o r i y u o i t s h c n h o t s m r f i o e i f n t a o s s e f e s a i
 use symmetry vector translations reflections rotations size transformations scale factor similitudes half turn orientation fixed point scale factor

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