1) An angle smaller than 90 degrees is called a) obtuse angle b) acute angle c) reflex angle d) right angle e) straight angle 2) An angle that is bigger than 90 degrees and smaller than 180 degrees is called a) obtuse angle b) acute angle c) reflex angle d) right angle e) straight angle 3) An angle that is bigger than 180 degrees but less than 360 degrees is called a) obtuse angle b) acute angle c) reflex angle d) right angle e) straight angle 4) An angle that is exactly 90 degrees is called a) obtuse angle b) acute angle c) reflex angle d) right angle e) straight angle 5) An angle that is exactly 180 degrees is called. a) obtuse angle b) acute angle c) reflex angle d) right angle e) straight angle 6) An angle that is exactly 360 degrees is called. a) acute angle b) revolution c) straight angle d) reflex angle e) right angle f) obtuse angle 7) A right angle is one ___________________ of revolution. a) acute b) half c) revolution  d) less e) between f) quarter 8) A straight angle is ____________________ of revolution. a) acute b) half c) revolution d) less e) between f) quarter 9) An __________________ angle is less than 90 degress. a) acute b) half c) revolution d) less e) between f) quarter 10) A reflex angle is ______________ 180 degrees and 360 degrees a) acute b) half c) revolution d) less e) between f) quarter 11) A _______________________ is 360 degrees a) acute b) half c) revolution d) less e) between f) quarter

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