Single Answer MCQ
Q-00052081
If two lines have slopes m1 = 2 and m2 = -1/2, what is the angle between them?
1
90°
2
60°
3
45°
4
75°
Answer and Solution
Answer
A. 90°
Solution:
If the product m1 * m2 = -1, the lines are perpendicular, thus the angle between them is 90°.
Watch Video Solution