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1. What is m angle R ? A 45 degrees B 69 degrees C 79.5 degrees D 90 degrees

1. What is m angle R ? A 45 degrees B 69 degrees C 79.5 degrees D 90 degrees-example-1
User Zigzagoon
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The answer is c because a triangle measures 180 but in this case it’s two so it’s 360 so first you add up all the given measurements and then you can subtract it from 360
User Crewshin
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