Problem 8.2 Development of Surfaces of Solids – The square pyramid with the length of side of base 30 mm and length of axis 60 mm as shown in the fig. 1 below. Develop the surface of the pyramid.
Problem 8.1 Development of Surfaces of Solids – A cone made up of Aluminium sheet with base circle diameter 65 mm and axis length 75 mm is kept on its base on the ground. A circular hole of 30 mm diameter is cut through the cone such that its axis remains perpendicular to V.P.; 10 mm to the right of the axis of cone and 25 mm above the base of cone. Develop the surface of the cone.