Find the area of the triangle whose vertices are `(i)\ \ \ (2,3),"\ "(-1,0),"\ "(2,"\ "-4)\ \ \ \ \ \ \ \ \ (i i)(-5, -1),"\ "(3, -5),"\ "(5,2)`

Explanation

`(i) (2, 3), (-1, 0), (2, -4)`


Area of triangle =
`1/2[x1(y2-y3)+x2(y3-y1)+x3(y1-y2)]`

here,

`x1=2,x2=-1,x3=2`

`y1=-1,y2=0,y3=-4`



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