Question

the area of the triangle formed by the points (0,0),(1,0) ,(0,1) is​

Answer 1

area of triangle = 1/2{x1(y2-y3) + x2 (y3-y1) + x3 (y1-y2)}
=1/2{0(0-1)+1(1-0)+0(0-0)}
=1/2{0+1+0}
=1/2(1)
=1/2