1) What angle is this? a) acute b) obtuse c) right d) That's an angle? 2) What angle is this? a) acute b) obtuse c) straight d) right 3) What angle is this? a) acute b) obtuse c) That is not an angle,that is an L d) right 4) What angle is this? a) acute b) obtuse c) right d) straight 5) How many degrees is a right angle? a) 20 º b) 180 º c) 50 º d) 90 º 6) How many degrees is a straight angle? a) 90 º b) 180 º c) 20 º d) 50 º 7) Which degree could be for an acute angle? a) 99 º b) 180 º c) 100 º d) 20 º 8) Which degree could be for an obtuse angle? a) 20 º b) 45 º c) 120 º d) 180 º 9) What angle is this? a) right b) acute c) obtuse d) not an angle 10) What angle is this? a) acute b) obtuse c) right d) not an angle

排行榜

视觉风格

选项

切换模板

恢复自动保存: