an angle measures exactly ninety degrees
a right angle
90
A right angle
An angle is 90 degrees if and only if it is a right angle.
An angle that measures to precisely 90o is called a right angle.
The corner of a square measures 90 degrees which is a right angle.
Yes a right angle is defined as an angle that measures exactly 900
a right angle measures 90 degrees
An angle which measures exactly 90 degrees is called a "right" angle. (One measuring less than 90 is 'acute', and one measuring more than 90 degrees is 'obtuse'.)
A right angle.
Obtuse. Any angle measuring greater than 90 degrees but less than 180 is considered obtuse. An acute angle is any angle measuring between 0 and 90 degrees. A right angle is an angle measuring exactly 90 degrees while a straight angle measures exactly 180 degrees.