90. In trapezium ABCD with AB||CD, if ∠A = 100°, then ∠D = __________. 90. In trapezium ABCD with AB||CD if ∠A = 100° then ∠D = __________. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,