Here you will find the answers for the practice problems you did before .
1) 200 in2 2)120 PI cm 2 3) 56 in 2 4) 125.6 in2 5) 706.5 in 2 6) 904.3 cm3 7) 1414 cm3 8) 21 ft3 9)16.8 in3 10) 93.3 in 3