Find the area of the triangle whose vertices are:

A(3, 8), B(-4, 2) and C(5, -1)

44

Solve the following equations:

45

Prove that

1

Find the area of the triangle whose vertices are:

A(-2, 4), B(2, -6) and C(5, 4)

1

Find the area of the triangle whose vertices are:

A(-8, -2), B(-4, -6) and C(-1, 5)