87 degrees is an acute angle because it is greater than 0 but less than 90 degrees
Chat with our AI personalities
87 degrees
An angle that measures 210 degrees is a reflex angle.
The fourth exterior angle is 93 degrees so the fourth interior angle must be 87 degrees because there are 180 degrees on a straight line.
a right angle measures 90 degrees
It is a right angle triangle and its 3rd angle is 70 degrees.