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Right Angles

What is a right angle?
A right angle is an angle that is 90 degrees.

Must an angle be exactly 90 degrees to be called a right angle?
Yes. For an angle to be called a right angle it must be exactly 90 degrees.


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Edited by Dr David Cornelius an Independent Private Maths Tutor with over 25 years of experience and The Secretary of The Association of Tutors in the UK for 15 years.