The name Delphia is of English origin. The meaning of Delphia is brother. Delphia is generally used as a girl's name. It consists of 7 letters and 3 syllables and is pronounced Del-phi-a.
Perpendicular Lines. Quatr.us Math Geometry Lines. Perpendicular lines. Two lines are perpendicular if they cross at right angles. You can test this by extending the lines until they cross (if they do not cross then they are parallel).erpendicular Lines. Quatr.us Math Geometry Lines. Perpendicular lines. Two lines are perpendicular if they cross at right angles. You can test this by extending the lines until they cross (if they do not cross then they are parallel).
Two lines that intersect and form right angles are called perpendicular lines. The symbol â¥ is used to denote perpendicular lines. In Figure , line l â¥ line m. Figure 2 Perpendicular lines. Two lines, both in the same plane, that never intersect are called parallel lines. Parallel lines remain the same distance apart at all times. The symbol // is used to denote parallel lines. In Figure 3, l // m. Figure 3 Parallel lines.