Draw 2 supplementary angles. One angle is x-15 degrees and one is 2x degrees. What is the value of x in degrees?
A 65 degrees
B 130 degrees
C 100 degrees
D 75 degrees
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75 degrees answer of this question
Answered by
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Answer:
x -15 +2x = 180 ...(sum of supplementary angles is 180 degree)
3x - 15 = 180
3x =180 +15
3x = 165
x = 165 / 3
x = 55
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