Find the area of the triangle with the points `(2,7),(1,1),(10,8)` as vertices.

Using determinant find the area of the triangle with the points (-2,-3),(3,2) and (-1,-8) as vertices.

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

Find the areas of the triangle whose vertics are (a,bc),(b,ca),(c,ab)

Find the areas of the triangle whose vertics are (4,4),(3,-2),(-3,16)

Find the area of the triangle whose vertices are (5,2),(-9,-3),(-3,-5)

Using determinant find the values of k so that the area of the triangle with vertices at the points (k,0),(4,0) and (0,2) is 4 sq units.

Find the area of the triangle whose vertices are.(ii) (-5,-1),(3,-5),(5,2)

Find the area of the triangle ABC with A(1,-4) and the midpoints of the sides through A being (2,-1) and (0,-1).

Find the area of the triangle whose vertices are (0, 0), (a, 0) and (0, b).

Find the area of the triangle ABC having vertices A(-2, 3), B(-3, 4) and C(1, 2).