82. The adjacent sides of a parallelogram are 5 cm and 9 cm. Its perimeter is __________. 82. The adjacent sides of a parallelogram are 5 cm and 9 cm. Its perimeter is __________. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 [...]