Find the areas of the triangles the coordinates of whose angular points are respectively.
(0,4), (3,6) and (-8,-2).

Find the equations to the sides of the triangles of the coordinates of whose angular points are respectively: (1,4),(2,-3) and (-1,-2) .

Find the areas of the triangles the coordinates of whose angular points are: (-a,(pi)/(6))(a,(pi)/(2)), and (-2a,-(2 pi)/(3))

The equation of the sides of a triangle, the coordinates of whose angular points are: (3,5),(1,2) and (-7,4) .

Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2,0),B(4,5) and C(6,3) .

Using the method of integration,find the area of the triangle ABC, coordinates of whose vertices are A(1,2),B(2,0) and C(4,3)

Find the area of the triangle whose vertices A, B, C are respectively, (3, 4), (-4, 3) and (8, 6) .

Using integration,find the area of the triangle PQR,coordinates of whose vertices are P(2,0),Q(4,5) and R(6,3)

Using integration,find the area of the triangle ABC,coordinates of whose vertices are A(4,1)B(6,6) and C(8,4)