The acute angle between two lines with slopes $1$ and $0$ is:
A$30^\circ$
B$60^\circ$
C$45^\circ$
D$90^\circ$
Answer & Solution
Correct answer: C. $45^\circ$
tanθ = |(1−0)/(1+1·0)| = 1, so θ = 45°.
Related questions
A line passes through the origin and the point $(2,2)$. The angle it makes with the positiThe slope of a vertical line (parallel to the y-axis) is:The slope of a line perpendicular to $y = 3x + 2$ is:The x-intercept of the line $2x + 3y = 12$ is:The distance of the point $(3,4)$ from the line $3x + 4y - 5 = 0$ is:The equation of the line with slope $2$ passing through $(1,3)$ is:The distance between the points $(6,-4)$ and $(3,0)$ is:The slope of the line $2x + 3y = 6$ is: