Area of the triangle with vertices `(k,0),(1,1)` and `(0,3)` is 5 sq. units. Find the values of k.

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 (0, 0), (a, 0) and (0, b).

If the vertices of a triangle are (1,k),(4,-3),(-9,7) and it's area is 15 square unit, find the value of k.

Find the area of the triangle formed by joining the mid-points of the sides of the triangle whose vertices are (0,-1),(2,1) and (0,3).Find the ratio of this area to the area of the given triangle.

If the distance between the points (a, 0) and (0, 4) be 5 units, find the values of a.

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

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

Find the area of a triangle whose vertices are A(3,8) ,B(-4,2) and C(5,-1).

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 (5,2),(-9,-3),(-3,-5)