Find the area of the quadrilateral whose vertices, taken in order, are (-1-,6),(1,2),(5,4) and (3,8).

Find the area of the quadrilateral whose vertices taken in order, are (-4, - 2), (-3,-5), (3, -2),(2,3).

Using vectors find the area of the triangle whose vertices are (1 , 1 , -1 ), (2, 3, 1) and (I, 3, 5).

Find the area of the triangle whose vertices are (-2, -3), (3, 2) and (-1,-8)

Find the area of the triangle whose vertices are :- (2, 3), (-1, 0), (2,- 4).

Using integration find the area of regeion bounded by the triangle whose vertices are (-1,0), (1,3) and (3,2)