1. In Fig. 9.15, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8 cm and CF = 10 cm, find AD. 1. In Fig. 9.15 ABCD is a parallelogram AE = 8 cm and CF = 10 cm AE ⊥ DC and CF ⊥ AD. If AB = 16 cm find AD. October 15, 2020 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related