The measurement of a right angle is 61
what is the measurement of the missing angle.

The answer is 29.

All angles in a triangle add up to 180. If its a right triangle, you know one of the angles is 90, and it gives you that one of the angles is 61. All you have to do is subtract to find what the last angle is.

180 - 90 - 61 = 29

It’s 24.6 after you round to the nearest tenths the answer should be 25.0