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Example of measure of an exterior angle?
Consider a right triangle. One of the exterior angles 90 degrees.
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.
What is a exerior angle?
An exterior angle is on the outside of a shape. For example, the internal angle of a corner of a square is 90 degrees. 360 degrees less 90 degrees equals 270 degrees. Therefore, the exterior angle of a right-angle is 270 degrees. Search Google with "exterior angle" for more info.
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).
