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?
Also, $\angle$ABD and $\angle$DBC together form right angle $\angle$ABC. Thus, if two angles are together and are complement to each other then they have a common vertex and share one side and are called Adjacent complementary angles. The other two non-shared sides of the angles form right angle.