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

Prove that the point (-2,-1),(1,0),(4,3)a n d(1,2) are the vertices of parallelogram. Is it a rectangle?

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

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

Prove that the points A(-2,-1) B(1,0), C(4,3) and D(1,2) are the vertices of a parallelogram. Is it a rectangle ?

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

(iii) Prove that the points (-2;-1);(1;0);(4;3) and (1;2) are the vertices of the parallelogram . Is this a rectangle?

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

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.