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?
A triangle that has one right angle is called a right triangle. A triangle that has one obtuse angle is called an obtuse triangle. When a triangle has three congruent sides, we call the triangle an equilateral triangle. We mark the congruent sides by a slash mark. The angles in an equilateral triangle are always 60Â°.