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If you have a Right Triangle and you have one angle, alpha. How do you find the other angle, beta?

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- Thread starter Philosophaie
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If you have a Right Triangle and you have one angle, alpha. How do you find the other angle, beta?

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If you have a Right Triangle and you have one angle, alpha. How do you find the other angle, beta?

The interior angles of triangles always add up to a specific number of degrees, and that number is the same for all triangles. Do you know what it is?

Given a right triangle, you should automatically know the number of degrees of the angle that defines it as a right triangle. That is: all right angles are the same specific number of degrees, and a right triangle is only a right triangle because it contains one angle with this specific number of degrees. How many degrees are there in a right angle?

In this problem, you have been given another angle as well. You just add that to the number of degrees there always are in a right angle, and subtract them both from the well known number that all triangles add up to. The difference is the measure of the third angle.

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mathwonk

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are you in euclidean geometry? if so it is easy, if not it is not possible.

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