Angle R is an obtuse angle.
What is an obtuse angle?
An obtuse angle is an angle whose measurement is more than 90 degrees.
We can determine what the given angle is below:
We can see that the two arms of the angle are farther from each other.
Since the arms are farther from each other, the angle is an obtuse angle.
Therefore, it is not a right angle, acute angle, or straight line.
We have found that the angle in the given diagram is an obtuse angle since it is greater than 90 degrees.
Therefore, we have found that angle R is an obtuse angle.
Learn more about obtuse angles here: https://brainly.com/question/3250447
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