38. If the diagonal d of a quadrilateral is doubled and the heights h1 and h2 falling on d are halved, then the area of quadrilateral is __________. 38. If the diagonal d of a quadrilateral is doubled and the heights h1 and h2 falling on d are halved then the area of quadrilateral is __________. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related