Question

  If a solid, cone of base radius ‘r’ and height ‘h’ is placed over a solid cylinder having same base radius ‘r’ and height – ‘h’ as that of the cone, then the curved surface area of the shape is  Is it true?
         (a) No
(b) Yes
         (c) May be
(d) Cannot be determined
with solution​

Answer 1

Answer:

Asolid cone of radius r and height h is placed over a solid cylinder having same base radius and height as that of a cone,. The total surface area of the combined solid is π[√r2+h2+3r+2h] Hence, when we placed a cone over a cylinder, then one base in common for both