1) What is the measure of this angle? a) 20o b) 30o c) 50o 2) What is the measure of this angle? a) 120o b) 130o c) 150o 3) This angle is .............. a) straight , 120o  b) obtuse , 130o c) straight, 180o 4) This angle is .............. a) acute , 20o   b) obtuse , 50o c) straight, 20o 5) This angle is .............. a) acute , 160o   b) obtuse , 160o c) straight, 180o

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