VSA2 marksYear: 2020EasyCBSE Class 10
surface-areas-and-volumescylinderconecanvas
Question
In Figure-6, a tent is in the shape of a cylinder surmounted by a conical top. The cylindrical part is 2.1 m high and conical part has slant height 2.8 m. Both the parts have same radius 2 m. Find the area of the canvas used to make the tent. (Use π=722)

Solution
1
Area of canvas =πr(2h+l)=722×2(2×2.1+2.8)
+1 mark