Question

Pl find the area of the following
Pl ignore the answer and markings

Answer 1

Area of triangle= 1/2(x1(y2-y3)+x2(y3-y1)+x3(y1-y2))
= 1/2 (1(2-2)+(-2)(2-4)+3(4-2))
=1/2 (1(0)-2(-2)+3(2))
=1/2(0+4+6)
=1/2×10
=5 units..

Thank You..