1) Choose the acute angle a) b) c) 2) Choose the straight angle a) b) c) 3) Choose the right angle a) b) c) 4) Which is the obtuse angle? a) b) c) 5) Which is the reflex angle? a) b) c) 6) Choose the revolution a) b) c) 7) An acute angle is ... a) between 0 and 90 degrees b) exactly 90° 8) An obtuse angle is ... a) between 90° and 180° b) greater than 180° 9) A straight angle ... a) is between 90° and 180° b) is exactly 90° c) is exactly 180° d) turns along a straight line 10) A reflex angle is ... a) between 180° and 360° b) greater than 360° c) between 0° and 180° 11) A revolution is exactly ... a) 360° b) 180° 12) A revolution ... a) is a complete circle b) is a straight line 13) Which angle is between 0° and 90°? a) obtuse b) acute c) straight d) reflex e) right f) revolution 14) Which angle is exactly 360°? a) obtuse b) acute c) straight d) reflex e) right f) revolution 15) Which angle is between 180° and 360°? a) obtuse b) acute c) straight d) reflex e) right f) revolution 16) Which angle is between 90° and 180°? a) obtuse b) acute c) straight d) reflex e) right f) revolution 17) Which angle is exactly 180°? a) obtuse b) acute c) straight d) reflex e) right f) revolution 18) Which angle is exactly 90°? a) obtuse b) acute c) straight d) reflex e) right f) revolution

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