1) These lines are: a) perpendicular lines b) obtuse angle c) parallel lines 2) This is an: a) acute angle b) acute line c) obtuse angle 3) This is a: a) Ray b) Line segment c) angle 4) Right angle is.................... a) 90o b) 00 c) 180o 5) We can measure angles with : a) Ruler b) Meter c) Protractor 6) Straight angle is : a) 90o b) 180o c) 60o 7) The angle which is less than 90o is called: a) Straight b) obtuse c) acute 8) A line without end point is called: a) Ray b) point c) line

排行榜

视觉风格

选项

切换模板

恢复自动保存: