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

Using vector method find the area of a triangle whose vertices are A (1,-1,2) , B (2,1,-1) and C (3,-1,2).

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

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

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

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

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

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

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

You have studied in Class IX (Chapter 9,Example 3),that a median of a triangle divides in into two triangles of equal areas.Verify this result for triangleABC whose vertices are A(4,-6),B(3,-2) and C(5,2).