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The inclination θ of a line always satisfies
A0 < θ < 90 degrees
B0 ≤ θ < 180 degrees
C0 ≤ θ ≤ 360 degrees
D90 ≤ θ < 270 degrees
Answer & Solution
Correct answer: B. 0 ≤ θ < 180 degrees
Inclination is the smallest anticlockwise angle with the positive X-axis, so it lies from 0 up to but not including 180 degrees.
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