89. How many cubic metres of earth must be dug to construct a well 7 m deep and of diameter 2.8 m? 89. How many cubic metres of earth must be dug to construct a well 7 m deep and of diameter 2.8 m? August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
