Two angles are a linear pair. Their measures are represented
by x+10, and 3x+10. What are the measures of the angles?
40° and 40°
40° and 140°
50° and 130°
60° and 120°
90° and 90°
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Answer:
the sum of the angles of a linear pair is equal to 180 degree
therefore x+30 +(3x-10) = 180°
4x +20 180
4x = 180-20
X = 160/4
X = 40
x+30 = 70°
3x - 10 = 110°
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