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The measure of angle R can be found by subtracting the measures of angles J and W from 180 degrees, since the angles in a triangle add up to 180 degrees. Therefore, angle R = 180° - angle J - angle W = 180° - 47° - 15° = 118°.
So, the measure of angle R is 118°.
Correct response: m ∠ R = 118 °