Question

The angle between the straight lines $\frac{x+4}{2}=\frac{y+5}{5}=\frac{z+6}{3} \space and \space \frac{x-4}{10}=\frac{y-5}{2}=\frac{z-6}{-10}$ is.

• A. 45°
• B. 90°
• C. 30°
• D. 60°

Answer 1

Answer: (B)

90°

Answer 2

The correct option is(B):90°