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en.wikipedia.org/wiki/Right_angle

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Jul 5, 2013

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Answers

right angle

NOUN

1.

the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by two perpendicular lines that intersect; an angle of 90°.

Source:
Dictionary.com

right angles | Define right angles at Dictionary.com

dictionary.reference.com/browse/right angles

dictionary.reference.com/browse/right angles

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