Question No.10, Question No 4(iii)

Lesson#22
Question No.10
Q.10. A quadrilateral has the points A(9,3), B(-7,7), C(-3,-7), and D(5,-5) as its vertices. Find the midpoints of its sides. Show that the figure formed by joining the midpoints consecutively is a parallelogram.
Question No 4(iii)
Q.4 (iii). Show that the points A(5,2), B(-2,3), C(-3,-4), and D(4,-5) are vertices of a parallelogram. Is the parallelogram a square?
Introduction to Analytical Geometry
chapter No 4
Exercise No 4.1
mathematics
part 2