1) An angle that measures exactly 90 degrees. a) acute b) right c) obtuse d) straight 2) An angle that measures less than 90 degrees. a) acute b) right c) obtuse d) straight 3) How many degrees are in a full circle? a) 360 b) 20 c) 800 d) 180 e) 90 4) What is the tool used for measuring angles? a) a ruler b) a protractor c) a scale d) a broom e) a hammer 5) What name is given to an angle that measures 180 degrees? a) acute angle b) straight angle c) obtuse angle d) right angle 6) Molly drew an acute angle. Which could be the measure of the angle she drew? a) 90 b) 130 c) 180 d) 60 7) Turning in the direction of the hands on a clock is called? a) clockwise b) counterclockwise 8) A 1/4 turn is how many degrees? a) 90 b) 180 c) 270 d) 360 9) A 3/4 turn is how many degrees? a) 180 b) 90 c) 270 d) 360 10) Two angles form a right angle. One angle measure 30 degrees. What is the measure of the other angle? a) 60 b) 20 c) 90 d) 120 e) 180 11) What is the measure of this angle? a) 50 b) 130 c) 45 d) 180 12) What is the measure of this angle? a) 75 b) 105 c) 100 d) 60 13) What is the unit for measuring angles? a) degrees b) inches c) pounds d) grams

Chapter 11

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