Example 5 : In a square ABCD, the diagonals meet at point O. The ∆AOB is Example 5 : In a square ABCD the diagonals meet at point O. The ∆AOB is July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,