Historical Examples. 1  In the same way, the student may by practice acquire the faculty of perceiving his own prana aura. 2  I landed on prana Beach because I'd heardâbut it wasn't so and it doesn't matter. 3  It is not necessary in this book to go into the general consideration of the nature and character of prana.
exists and is an alternate of 1  . Lines that intersect to form a right angle are called PERPENDICULAR lines.  Lines that intersect to form a right angle are perpendicular. <ul><li>Lines that intersect to form a right angle are called PERPENDICULAR lines.</li></ul>Lines that intersect to form a right angle are perpendicular. Minor edit?
Perpendicular lines are lines in the same plane that intersect to form a 90Â° angle. The notation for perpendicular lines is Line l â¥ Line m. This states Line l is perpendicular to Line m .. Skew lines are lines in different planes that do not intersect. Skew lines are non-coplanar lines. Parallel planes are planes that do not intersect. Perpendicular planes are planes that intersect to form a 90Â° angle.