Find the area of a triangle formed by the points A(5, 2), B(4, 7) and C(7, -4).

Find the area of the triangle formed by points (3, 4, (2-1), and (4,-6).

Find the value of a for which the area of the triangle formed by A(a, 2a), B(-2, 6), and C(3, 1) is 10 sq. units.

A point moves such that the area of the triangle formed by it with the points (1,5) and (3,-7) is + 21 sq. units. The locus of the point is

Find the value of K if the points A(2, 3) B(4, k) and C(6, -3) are collinear. OR Find the area of a triangle whose vertices are (1, -1) (-4, 6) and (-3, -5)

Find the area of the triangle with vertices A(1,1,2), B(2,3,5) and C(1,5,5).

Find the circumcentre of a triangle formed by (2,3), (1,-5), and (-1, 4).

The points A(1,2),B(2,4) and C(4,8) form a/an

Find the area of the triangle Delta ABC with A(a,b+c), B(b,c+a), and C(c, a+ b).

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.

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.