1.6 - 2 rays with a common endpoint rays meet at the vertex...

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2 rays with a common endpoint rays meet at the vertex vertex
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Name this angle : C 1 A CAT TAC A T 1
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Name these angles: B 2 E BED DEB E D 2
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Name the angles: T A P 4 3 N
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ACUTE less than 90° RIGHT 90°
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OBTUSE greater than 90° less than 180 ° STRAIGHT 180°
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B A 30 30 AB    have the same measure
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1 2 3 4 2 opposite s formed by intersecting lines Vertical angles are congruent 12    34   
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1 and 2 are adjacent share a side share a vertex no common interior points coplanar 1 2 2 1
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total 90° 60° 30° total 180° 120° 60° COMPLEMENTARY ANGLES SUPPLEMENTARY ANGLES
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formed by 2 intersecting lines adjacent add up to 180° LINEAR PAIR of Angles 1 2 1 2
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Can you name the linear pairs? a b c d
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Protractor Postulate m= degree # - degree # O C D m = 40 110° - 70°   
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Angle Addition m 1 m 2 m AOC      A O C
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This note was uploaded on 09/20/2011 for the course ALGEBRA idk taught by Professor White during the Spring '11 term at University of Houston.

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1.6 - 2 rays with a common endpoint rays meet at the vertex...

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