Prove that `(-2,-1),(1,0),(4,3)and (1,2)` are vertices of a parallelogram.

Prove that the points (-2, -1), (1, 0), (4, 3) and (1, 2) are the vertices of a parallelogram.

Prove that the point (-2,-1),(1,0),(4,3) and (1,2) are the vertices of parallel-gram.Is it a rectangle?

Using slopes, prove that the points A(-2,-1) , B(1,0) , C(4,3) and D(1,2) are the vertices of a parallelogram.

Prove that the points (-2,-1),(4,0),(3,3)and (-3,2) are the vertices of a parallelogram.

Using slope concept, prove (-2,1),(0,3),(2,1) and (0,-1) are the vertices of a parallelogram.

By using the concept of slope, show that (-2, -1), (4, 0), (3, 3) and (-3, 2) are the vertices of a parallelogram.

If A(-2,-1),B(p,0),C(4,q) and D(1,2) are the vertices of a parallelogram, find the values of p and q.

If A(-2, -1), B(a,0), C(4,b) and D(1,2) are the vertices of a parallelogram. Complete activity to find the values of a and b. Activity : A(-2,-1), B(a,0), C(4,0) and D(1,2) are the vertices of a parallelogram Diagonals of parallelogram bisect each other :. midpoint of diagonal AC = Midpoint of diagonal BD By midpoint formula, ((-2 + 4)/(2), (-1 + b)/(2)) = ((a + 1)/(2), (square)/(square)) :. (square, (-1 + b)/(2)) = ((a + 1)/(2), 1) {:( :. square = (a + 1)/(2)),("on simplifying, we get"),(a = square):}|:{:((-1 + b)/(2) = square),("on simplifying, we get"),(b = square):}

By using the concept of slope,show that the points (-2,-10,(4,0),(3,3) and (-3,2) are the vertices f a parallelogram.

Of (-2,-1),B(a,0),C(4,b) and D(1,2) are the vertices f a parallelogram,find the values of a and b.