Mathematics
The co-ordinates of the centroid of a triangle with vertices (-6, -3), (0, 0) and (12, -6) are :
(2, 3)
(-2, 3)
(2, -3)
(-2, -3)
Related Questions
Points A and B have co-ordinates (3, 5) and (x, y) respectively. The mid-point of AB is (2, 3). Find the values of x and y.
In parallelogram ABCD, A = (6, 0), B = (12, -4) and C = (4, -4); then the co-ordinates of vertex D are :
(2, 0)
(-2, 0)
(0, 2)
(0, -2)
Given M is the mid-point of AB, find the co-ordinates of:
(i) A; if M = (1, 7) and B = (-5, 10),
(ii) B; if A = (3, -1) and M = (-1, 3).
The point P(2, -7) is reflected in the point (0, 3); the co-ordinates of the image of point P are :
(2, 13)
(2, -13)
(-2, -13)
(-2, 13)