A right angle measures 90 degrees.
acute angel
An acute angle measures <90o
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.
If it measures 90 degrees, then it is called a right angle.
150 degrees
a right angle measures 90 degrees
90 degrees
90+90+90+90
Acute is < 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°