
Mark J. Wagner https://en.wikipedia.org/wiki/Right_angle
Someone had said that there are no right angles in nature. Actually there are right angles, yet, all kinds of angles as you can see for yourself, by exploring nature … .
In geometry and trigonometry, a right angle is an angle that bisects the angle formed by two halves of a straight line….EN.WIKIPEDIA.ORG 
Mark J. Wagner Images reflect natural phenomenons.
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