curved line vertical line perpendicular lines parallel lines Angles Any two lines meet at an angle. Angles are measured in degrees (º). There are different kinds of angles. a right angle equals an acute angle is less an obtuse angle is a reflex angle is 90º than 90º more more than than 90º. 180º
curved line vertical line perpendicular lines parallel lines Angles Any two lines meet at an angle. Angles are measured in degrees (º). There are different kinds of angles. a right angle equals 90º an acute angle is less than 90º an obtuse angle is more than 90º. a reflex angle is more than 180º