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Question

If four times an angle 120 more than twice the difference between its supplement and its complement, then find the angle.

A
38
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B
48
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C
42
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D
192
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Solution

The correct option is B 48
According to the question,
4x=12 +2[(180 x)(90 x)]
4x=12 +2[180 x90 +x]
4x=12 +2×90
4x=192
x=1924
x=48

So, option b is correct.

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