1) what angle is this ? a) acute b) obtuse c) right d) straight 2) what angle is this ? a) right b) obtuse c) acute d) straight 3) what angle is this ? and how do you know ? a) acute angles because it is exactly 90 degrees b) right angle because it is exactly 90 degrees c) obtuse angle because it is exactly 90 degrees d) straight angle 4) choose all acute angles : - a) 45 degrees b) 30 degrees c) 90 degrees d) 130 degrees 5) what is the total measurment of an angle ? a) 360° b) 180° c) 90° d) 100° 6) how many right angles do we need to make a full circle ? a) 2 b) 3 c) 4 d) 5 7) what device is used to measure the angles ? a) ruler b) protractor c) ° / degree d) balance scale 8) where do we place the protractor ? a) on the table b) on the angle c) on the floor d) on the paper 9) what is the measurment of any acute angle ? a) more than 90° b) at 90° c) less than 90° d) more than 180° 10) what is the measurment of any obtuse angle ? a) more than 90° b) at 90° c) less than 90° d) more than 180°

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