### Professor Brown

Ch. 5

 c i n t a i g n t a c s i e s u e a o u p a r a l l e l p o s t u l a t e c a e s i a g a s r b r e y c o g n h i e s s a l c n i e b r c c p e o i o p n a g n u e a p g r e c o a n p o e n d s l g n r r n e v s u n u n o p i g r c o l o e a o v e p s s o r t g n r e c d e p i l i c r o n t n e o n d w s g s a e b n t o b n r r d r o i h r c l r n s s s c a b d a u d a a h n l a e e g r r t i a a i e c b k a s a e d n n l t e o d o e n n t s n e i w c m t e e t s g a p a g a p e s n n n d s b s s c s r r g n a c r n g o a d r r p c u r o l t e e n u o b n o v h g h i s m i o e n g t g o o e i c s p s n d o t h e w o r k l y f u o g e i a p i n d i r e c t r e a s o n i n g i e i r o t r o t c e s i b s p c o e n
 parallel postulate vanishing point be in class indirect reasoning construct proofs be prepared contradiction triangle angle sum do the work corresponding angles bisector you can earn success

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