Answer the 10th question."PLEASE DON'T SEND THE SIMILAR QUERY.KINDLY PERFORM THE CALCULATION STEP BY STEP"

Answer the 10th question."PLEASE DON'T SEND THE SIMILAR QUERY.KINDLY PERFORM THE CALCULATION STEP BY STEP" 9• (i) Prove that each angle of a rectan gle is 900.
(if) If the angle Of a quadrilateral are equal, prove that it is a rectangle.
(iii) If the diagonals of a rhombus are equal, prove that it is a square.
(iv) Prove that every diagonal Of a rhombus bisects the angles at the
10. ABCD is parallelogranl. If the diagonal AC bisects LA, then prove that:
(i) AC bisects Z C (ii) ABCD is a rhombus
(iit) AC BD.
11. (i) Prove that bisectors of any two a djacent angles of a parallelogram are
12.
angles.
(ii) Prove that bisectors of any two opposite angles of a parallelogram
(iii) If the diagonals of a quadrilateral are equal and bisect each other at ri
then prove that it is a square.
(i) If ABCD is a rectangle in which the diagonal BD bisects L B, then shov
is a square.
(ii) Show that if the diagonals of a quadrilateral are equal and bisect each
anoles. then it is a square.