1) How many degrees is a right angle? a) 20 º b) 180 º c) 50 º d) 90 º 2) How many degrees is an acute angle? a) 90 º b) less than 90° c) more than 90° d) 180 º 3) How many degrees is an obtuse angle? a) more than 90° b) 20° c) less than 90° d) 90° 4) What angle is this? a) acute b) obtuse c) right d) I dont know 5) What angle is this? a) acute b) obtuse c) I dont know d) right 6) What angle is this? a) acute b) obtuse c) I have no idea d) right 7) What angle is this? a) acute b) obtuse c) right d) I dont know 8) Which degree could be for an acute angle? a) 99 º b) 90 º c) 100 º d) 20 º 9) Which degree could be for an obtuse angle? a) 20 º b) 45 º c) 120 º d) 90 º 10) What angle is this? a) right b) acute c) obtuse d) I have no idea 11) What angle is this? a) acute b) right c) obtuse d) I have no idea

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