In any triangle, the sum of the angles is always 180 degrees.
So, if the sum of angles P and Q is 60 degrees, then the measure of angle R is 180 - 60 = 120 degrees.
Therefore, angle R measures 120 degrees.The answer is: 120
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
In triangle PQR, if the sum of angle P and angle Q is 60 degrees, what is the measure of angle R?

### Answer:
