you need to have at least 2 values of the lengths of the triangle
and then you can find the angle by sine, cosine or tangent formulas
you may try this online calculator for right triangles.
http://www.rillocenter.com/calculate/trigonometry.html
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if the triangle has one right angle in it
By using Pythagoras' theorem for a right angle triangle.
right angle!
A right angle triangle
Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!