Question

Statement I Lines parallel to $X$-axis or coinciding with $X$-axis, have inclination of $0^{\circ }$.
Statement II The inclination of a vertical line parallel to or coinciding with $Y$-axis is $90^{\circ }$.

• A. Both statements are true
• B. Statement I is true and Statement II is false
• C. Statement I is false and Statement II is true
• D. Both statements are false

Answer 1

Answer: (A)

Lines parallel to $X$-axis or coinciding with $X$-axis, have inclination of $0^{\circ }$. The inclination of a vertical line parallel to or coinciding with $Y$-axis is $90^{\circ }$.