Cell X has a surface area of 60\, \mu\text{m}^260μm 2 60, mu, start text, m, end text, squared and a volume of 15\, \mu\text{m}^315μm 3 15, mu, start text, m, end text, cubed. Cell Y has a surface area of 36\, \mu\text{m}^236μm 2 36, mu, start text, m, end text, squared and a volume of 12\, \mu\text{m}^312μm 3 12, mu, start text, m, end text, cubed.