How much is a right angle

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2015-11-06 13:42:52

A right angle is 90 degrees

2015-11-06 13:44:07

A right angle is 90 degrees, an acute angle is less than 90 degrees, and an obtuse angle is more than 90 degrees but less than 180 degrees. A straight angle is an angle that is exactly 180 degrees.

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