Three Dimensional Geometry Question 62
Question: If the centroid of triangle whose vertices are (a,1, 3), (? 2, b, ?5) and (4, 7, c) be the origin, then the values of a, b, c are
Options:
A) ? 2, ?8, ?2
B) 2, 8, ?2
C) ?2, ?8, 2
D) 7, ?1, 0
Show Answer
Answer:
Correct Answer: C
Solution:
$ 0=\frac{a-2+4}{3}\Rightarrow a=-2,0=\frac{1+b+7}{3},\Rightarrow b=-,8 $ and $ 0=\frac{3-5+c}{3}\Rightarrow c=2 $ .
BETA
