Center of gravity of a thin hollow cone lies on the axis at a height of
(A) One-fourth of the total height above base
(B) One-third of the total height above base
(C) One-half of the total height above base
(D) Three-eighth of the total height above the base
(A) One-fourth of the total height above base
(B) One-third of the total height above base
(C) One-half of the total height above base
(D) Three-eighth of the total height above the base