The area of the triangle formed by the points P (0, 1), Q (0, 5) and R (3, 4) is ______.
A16 sq. units
B8 sq. units
C4 sq. units
D6 sq. units
The area of the triangle formed by the points P (0, 1), Q (0, 5) and R (3, 4) is ______.
A16 sq. units
B8 sq. units
C4 sq. units
D6 sq. units