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Since we know that there are exactly 180 degrees in any triangle, and if each angle is equal to 45 degrees, we must add 45 to 45 and then subtract the result from 180 to find the 3rd angle. Since 45+45=90,we subtract 180-90 and get 90 degrees or a right angle.
Yes, A Triangle Measures 180 Degrees. 45 • 2 = 90, And 180 - 90 = 90. Therefore, The Third Angle Measures 90 Degrees.