Coordinate Geom...

If D (3, -1), E (2, 6) and F (5, 7) are the vettices of the sides of $$\Delta DEF$$, the area of triangle DEF is sq. units. 

The area of triangle formed by the points $$(p, 2 - 2p), (1 - p, 2p)$$ and $$(-4 - p, 6 - 2p)$$ is $$70$$ sq. units. How many integral values of p are possible ?

$$A(-1, 2), B(4, 1)\ and\ C(7, 6)$$ are three vertices of the parallelogram $$ABCD$$. The coordinates of fourth vertex is _______.

If $$A = (-3, 4), B = (-1, -2), C = (5, 6), D = (x, -4)$$ are vertices of a quadrilateral such that area of triangle $$ABD = 2$$ area of triangle $$ACD$$, then $$x =$$

If $$A(2, 2)$$, $$B(- 4, -4)$$ and $$C(5, -8)$$ are the vertices of a triangle, then the length of the median through vertex C is ___________.

Find the coordinates of the point where the diagonals of the parallelogram formed by joining the points $$(-2,-1),(1,0),(4,3)$$ and $$(1,2)$$ meet.

If two vertices of a parallelogram are $$(3,2),(-1,0)$$ and the diagonals cut at $$(2,-5)$$, find the other vertices of the parallelogram.

The area of the triangle with vertices at $$(-4, 1), (1, 2)(4, -3)$$ is

The area of the triangle whose vertices are (3,8), (-4,2) and (5,-1) is 

The mid point of line $$AB$$ with $$A(2,3)$$ and $$B(5,6)$$