Three Dimensional Geometry Question 44
Question: If the points (0, 1, 2), (2, -1, 3) and (1, -3, 1) are the vertices of a triangle, then the triangle is
Options:
A) Right angled
B) Isosceles right angled
C) Equilateral
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Here $ a=\sqrt{4+4+1}=\sqrt{9},b=\sqrt{1+4+4}=\sqrt{9} $ and $ c=\sqrt{1+16+1}=\sqrt{18} $ . Obviously it is a right angled and isosceles triangle.
BETA
