Volume ratio $V_1/V_2 = (r_1/r_2)^3 = 8/27$. So, radius ratio $r_1/r_2 = 2/3$. Surface area ratio $A_1/A_2 = (r_1/r_2)^2 = (2/3)^2 = 4/9$.
आयतन अनुपात $V_1/V_2 = (r_1/r_2)^3 = 8/27$। इसलिए, त्रिज्या अनुपात $r_1/r_2 = 2/3$। पृष्ठीय क्षेत्रफल का अनुपात $A_1/A_2 = (r_1/r_2)^2 = (2/3)^2 = 4/9$।