Asked by Sally

In right triangle ABC what is the arithmetic mean (average), in degrees, of the measures of the two smallest angles?

Explain how the answer is 45 degrees.
Answered by Dr. Jane
A triangle has a total of 180 degrees.
Since the right angle = 90 degrees.

There is a total of 90 degrees left for the other two angles.

Their sum divided by 2 gives the arithmetic mean of 45 degrees
Answered by Toby
45
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