acute
Chat with our AI personalities
An angle of between 90 degrees and 180 degrees is called an obtuse angle, an angle that is exactly 180 degrees is called a straight angle (because it creates a straight line), and an angle of more then 180 degrees is called a reflex angle.
An angle of 90 degrees is a right angle.
An angle which measures 90 degrees is called a right angle. An angle of less than 90 degrees is an acute angle and one which is more than 90 degrees is an obtuse angle.
An acute angle.
90-4 = 86 degrees.