RS Aggarwal Class 9 Math Chapter 9 Quadrilateral Exercise 9C Solution
EXERCISE 9C
Question 1:
Question 2:
Question 3:
Question 4:
Question 5:
Question 6:
Question 7:
Question 8:
Question 9:

∴ PQRS is a rhombus.
Question 10:

Question 11:

Question 12: