Question

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

(a) 16 sq. units

(b) 8 sq. units

(c) 4 sq. units

(d) 6 sq. units

Answer 1

Given that the points,and form a triangle.

We are asked to find the area of the triangle ΔPQR which is shown in the figure.

Given that

Hence

By using formula,

Thus the correct answer is (d).