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A triangle with a 90 degree angle and two acute angles is a right angle triangle.

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Q: What is do you call a triangle with a 90 degrees angle?
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What do you call A triangle with a 90 degrees angle?

Any triangle with a 90 degree angle is called a right triangle.


What type of triangle has an angle that measures 20 degrees and and angle that measures 90 degrees?

Any triangle that has an angle measuring 90 degrees is a right triangle.


Why do they call a triangle a right triangle?

right angle=90 degrees and a right triangle has one side of it that forms a 90 degree angle...as for the naming "right" don't know but it refers to 90 degree angle


A triangle with one angle over 90 degrees?

A triangle with one angle over 90 degrees is an obtuse triangle.


What is a triangle containing a 90 degrees angle?

A triangle with a 90° angle is called a "right triangle."


What are 3 kinds of triangle according to angle?

Acute Triangle - All of the angles are under 90 degrees. Right Triangle - One angle is 90 degrees Obtuse Triangle - A triangle that has one angle greater than 90 degrees.


A right angle triangle has one angle of 90?

Yes.The definition of every triangle-Right triangle---A triangle that has one right angle(90 degrees).-Obtuse triangle---A triangle that has one obtuse angle(greater than 90 degrees).-Acute triangle---A triangle that has all acute angles(less than 90 degrees).


A shape with an angle at 90 degrees?

A right angle triangle. (if it is a triangle)


Triangle with an angle equal to 90 degrees?

A right angle triangle


What is an Right Triangle?

a TRIANGLE THAT HAS A 90 DEGREE ANGLE A right triangle is a triangle that has exactly 90 degrees for one angle.


What triangle has one angle that measures 40 degrees one angle that measures 90 degrees and another angle that measures 50 degrees?

A right triangle is a triangle in which one angle is equal to 90 degrees and the remaing two angles are acute(ie., less than 90 degree). so this triangle is a right angle triangle.


Kinds of triangle according to angles?

Acute Triangle - All of the angles are under 90 degrees. Right Triangle - One angle is 90 degrees Obtuse Triangle - A triangle that has one angle greater than 90 degrees