Find area of the triangle with vertices at the point given in each of the following :
(i) (1, 0), (6, 0), (4, 3)
(ii) (2, 7), (1, 1), (10, 8)
(iii) (–2, –3), (3, 2), (–1, –8)
2 Show that points
A (a, b + c), B (b, c + a), C (c, a + b) are collinear 3 Find values of k if area of triangle is 4 sq