right angle

The definition of a right angle is the meeting point between two perpendicular straight lines.

(noun)

An example of a right angle is a 90º angle.

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See right angle in Webster's New World College Dictionary

an angle of 90 degrees; angle made by the meeting of two straight lines perpendicular to each other

See right angle in American Heritage Dictionary 4

noun
An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.

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