**Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.**

## Ncert Math Solutions Class 9th Chapter 8 Quadrilaterals Exercise 8.1 Question 2

## Ncert Math Solutions Class 9th Chapter 8 Quadrilaterals Exercise 8.1 Question 1

**The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral.**