Find the area of a triangle with vertices ( 0,4) , ( 0,2) and ( 3,0)

Find the area of the triangle with vertices (0,0), (6,0) and (0,5).

Find area of triangle with vertices (0,0),(10,0) and (2,2)

What is the area of the triangle with vertices (0, 2,2), (2, 0, -1) and (3, 4, 0) ?

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

Using determinats, find the values of k, if the area of triangle with vertices (-2, 0), (0, 4) and (0, k) is 4 square units.

If the area of the triangle with vertices (-2, 0), (0, 4) and (0, k) is 4 square units, find the values of k u"sin"g determinants.