it is so easy m<90
M < 90
90+ whatever number is in form of sin.
An angle greater than 90° and less than 180° is called an obtuse angle.
The measure of an acute angle is between 0 and 90 degrees (more than 0, less than 90).The measure of an acute angle is between 0 and 90 degrees (more than 0, less than 90).The measure of an acute angle is between 0 and 90 degrees (more than 0, less than 90).The measure of an acute angle is between 0 and 90 degrees (more than 0, less than 90).
An angle that measures more than 90 degrees but less than 180 degrees is called an "obtuse" angle. Note Angles less than 90 degrees are called "acute" angles. An angle that is exactly 90 degrees is called a "right" angle. Angles that are more than 90 degrees but less than 180 degrees are call "obtuse" angles. An angle that is exactly 180 degrees is called a "straight line". Angles that are more than 180 degrees and less than 360 degrees are called "reflex" angles.
M < 90
60<90
The symbols are: 60 > < 90
90
an angle less than 90
80% less than 90 = 20% of 90 = 18
15 - 90 = -75 15 less than 90 = +75
66, 72, 78, 84, 90, 96.
An angle greater than 0 but less than 90 degrees is an acute angle
An angle greater than 0 but less than 90 degrees is acute An angle greater than 90 but less than 180 degrees is obtuse
800 + 90 + 4 - 1 = 893
An acute angle is less than 90 degrees and zero degrees.