alleryStart learning →The acute angle between two lines with slopes $1$ and $0$ is:
- $30^\circ$
- $60^\circ$
- $45^\circ$
- $90^\circ$
Show answer and solution
Correct answer: C. $45^\circ$
tanθ = |(1−0)/(1+1·0)| = 1, so θ = 45°.
Indian Navy SSR Straight Lines — practice questions
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