Example 25 : If AM and CN are perpendiculars on the diagonal BD of a parallelogram ABCD, Is ∆AMD ≅ ∆CNB? Give reason. Example 25 : If AM and CN are perpendiculars on the diagonal BD of a parallelogram ABCD Is ∆AMD ≅ ∆CNB? Give reason. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals [...]