question_answer

The area of the triangle formed by the points P (0, 1), 0 (0, 5) and R (3, 4) is

A)  16 sq. units                  

B)  8 sq. units        

C)  4 sq. units        

D)         6 sq. units                    

Correct Answer: D

Solution :

Area of triangle PQR \[=\frac{1}{2}\times PQ\times RS\] \[=\frac{1}{2}\times (4)\times (3)\] \[=6\,\text{sq}\text{.}\,\text{units}\]