# Example 1 (Page 174) - Chapter 11 Class 8 Mensuration

Last updated at Dec. 12, 2018 by Teachoo

Example 1 (Page 174) Find the area of quadrilateral PQRS shown in Fig 11.11 Given Length of diagonal = d = 5.5 cm Length of Perpendicular dropped on QS h1 = 2.5 cm & h2 = 1.5 cm Now, Area of PQRS = đť‘‘/2 (h1 + h2) = 5.5/2 (1.5 + 2.5) = 5.5/2 Ă— 4 = 5.5 Ă— 2 = 11 cm2 Area of quadrilateral = 11 cm2