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Acute angles.

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Q: What angles are less than ninety degree?
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Related questions

What angles are greater than ninety but less than eighteen?

You mean: What angles are greater than 90, but less than 180. These are obtuse angles


What angles are greater than 90 degree but less than 180 degree?

They are obtuse angles.


What is a triangle that has three angles with all measuring angles greater than zero but less than ninety?

An acute triangle


What does acute angles mean?

An angle less than 90 degree's.


What is the Name for zero degree angle?

an acute angle because it is less than ninety degrees.


Why must a right triangle have two acute angles?

A right angle must have two acute angles because since one angle is ninety degrees, than the other two must equal ninety degrees. To make ninety degrees with two angles, both of them must be acute, or less than 90 degrees (each).


Kinds of angles according to degree?

They are as follows:- Acute angles are greater than 0 but less than 90 degrees Right angles are 90 degrees Obtuse angles are greater than 90 but less than 180 degrees Reflex angles are greater than 180 but less than 360 degrees A full rotation is 360 degrees


Is a 100 degree angle acute?

A 100 degree angle is NOT an acute angle, it's an obtuseangle.Acute angles are less than 90 degrees, Obtuse angles are greater than 90 degress.


What are angles that are measures more than ninety degrees called?

They are called obtuse angles.


A triangle with all angles less than a right angle?

An acute triangle is a triangle with all angles smaller than a 90 degree right angle.


What is the highest degree angle?

180 is a straight line, so all angles have to be less than that.


What shape can contain no acute angles?

A square has no acute angles. Acute angles are defined as having less than 90 degrees. A square has four 90 degree angles.