From a point on the ground the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20 m high building are 45 degree and 60 degree , respectively. Find the height of the transmission tower. From a point on the ground the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20 m high building are 45 degree and 60 degree respectively. Find the height of the transmission tower. October 5, 2020 Category: Chapter 9 - Some Applications of Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related