Let height of cylinder = $$h$$ cm and radius, r = 3.5 cm Height of cone, H = 9.6 cm and Radius, R = 3.5 cm Volume of cylinder = Volume of cone => $$pi r^2 h = frac{1}{3} pi R^2 H$$ => $$(3.5)^2 imes h = frac{1}{3} imes (3.5)^2 imes 9.6$$ => $$h = frac{9.6}{3} = 3.2$$ cm => Ans - (A)