Meaning of RIGHT ANGLE

Pronunciation:			rIt 'anggul
WordNet Dictionary
	Definition:		[n]  a quarter of the circumference of a circle [n]  the 90 degree angle between two perpendicular lines
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	Synonyms:		quadrant
	Antonyms:		oblique angle
	See Also:		angle, angular unit, arcdegree, degree, grad, grade, oxtant, straight angle