###### Asked in Math and ArithmeticCalculus

Math and Arithmetic

Calculus

# An angle that is 90 degrees is called a?

## Answer

###### Wiki User

###### August 15, 2011 12:12AM

A right angle.

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### What is an angle of 90?

###### Asked in Math and Arithmetic, Algebra, Geometry

### What is an angle less than 90 degrees called?

An angle that measures less than 90 degrees is an acute
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.
is called an acute angle. An obtuse angle measure in degrees is
more than 90.

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