An acute angle
An angle greater than 90 but less than 180 degrees is obtuse An angle greater than 0 but less than 90 degrees is acute A right angle measures 90 degrees
An angle that measures greater than 180o but less than 270o is obtuse.
Acute angle
An acute angle by definition, is an angle that measures anywhere from 1º (or less) to 89º as long as it is smaller than a right angle (90º).
An Obtuse angle is greater than a Right Angle. An Obtuse angle measures more than 90 degrees or pi/2 radians, while a right angle is exactly 90 degrees or pi/2 radians.
If an angle measures less than 90º, it is an acuteangle.
right angle An acute angle.
An angle greater than 90 but less than 180 degrees is obtuse An angle greater than 0 but less than 90 degrees is acute A right angle measures 90 degrees
There are typically 3 angles, obtuse, acute, and right. obtuse- an angle that measures over 90° acute- an angle that measures less than 90° right- an angle that measures exactly 90°
Each interior angle measures 135 degrees Each exterior angle measures 45 degrees
An angle that measures greater than 180o but less than 270o is obtuse.
Acute angle
A pentagon has five angles, and all of them are less than a right angle. So, the answer is five angles less than a right angle. Math doesn't have to be a Pentagon-level secret, honey.
An acute angle by definition, is an angle that measures anywhere from 1º (or less) to 89º as long as it is smaller than a right angle (90º).
An angle that measures 78° would be considered to be an acute angle. An angle less than 90° is an acute angle. An angle greater than 90° but less than 180° is an obtuse angle. An angle greater than 180° but less than 360° is a reflex angle.
An Obtuse angle is greater than a Right Angle. An Obtuse angle measures more than 90 degrees or pi/2 radians, while a right angle is exactly 90 degrees or pi/2 radians.
An acute angle is an angle that measures less than 90 degrees. See the related link, "Acute Angle Pictures" for a diagram of some acute angles.