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Mathematics 16 Online
OpenStudy (anonymous):

g

OpenStudy (anonymous):

congruent

OpenStudy (anonymous):

The definition of a right angle is an angle that measures exactly 90 degrees. If it isn't 90 degrees, then it isn't a right angle in the first place. That of course means that all right angles are 90 degrees, and if they are all the same measurement, then they are all congruent. :)

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