5)the midpoint of the sides of a triangle are (3,4),(4,1),(2,0).find the coordinates of the vertices of the triangle.
6)for what value of p are the points (2,1),(p,-1),(-1,3) are collinear?
7)if the vertices of a triangle are (1,k),(4,-3),(-9,7) and its area is 15 sq units ,find the value of k.
8)for what value of p,are the points (-3,9),(2,p) and (4,-5) are collinear?
9)find the ratio in which the points (x,2) divides the line segment joining the points (-3,-4) and (3,5). also find the value of x.
10)if the pointsA(4,3) and b(x,5) are on the circle with cemtre O(2,3) , find the value of x