Answer :
b. 120 in^3
since the formula is a= pi (6)^2 (10/3), 6 squared is 36 which when multiplied by (10/3) becomes 120. Hence pi is multiplied by 120 and we obtain 120pi
since the formula is a= pi (6)^2 (10/3), 6 squared is 36 which when multiplied by (10/3) becomes 120. Hence pi is multiplied by 120 and we obtain 120pi