Straight Line Question 4
Question: If the coordinates of the vertices A, B, C of the triangle ABC be $ (-\ 4,\ 2), $ $ (12,\ -2) $ and $ (8,\ 6) $ respectively, then $ \angle \ B $ =
Options:
A) $ {{\tan }^{-1}}( -\frac{6}{7} ) $
B) $ {{\tan }^{-1}}( \frac{6}{7} ) $
C) $ {{\tan }^{-1}}( -\frac{7}{6} ) $
D) $ {{\tan }^{-1}}( \frac{7}{6} ) $
Correct Answer: DShow Answer
Answer:
Solution: