UPSC NDA II 2011 Mathematics Paper

© examsiri.com

Question : 98 of 120

Marks: +1, -0

What is the area of the triangle with vertices (1,2,3), (2,5,−1) and (−1,1,2) ?

‌
√155
2
square units
‌
√175
2
square units
‌
√155
4
square units
‌
√175
4
square units

Go to Question:

Prev Question

Next Question