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The inclination θ of a line, measured anticlockwise from the positive x-axis, lies in which interval?
A0° ≤ θ ≤ 180°
B0° ≤ θ < 90°
C0° ≤ θ ≤ 360°
D−90° ≤ θ ≤ 90°
Answer & Solution
Correct answer: A. 0° ≤ θ ≤ 180°
Inclination is defined as the anticlockwise angle with the positive x-axis, and it ranges from 0° to 180° inclusive.
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