Answer

Shape A

11 x 11 x 11

11 x 11 = 121

121 x 11 = 1331 cm3

Shape B

4 x 17 x 6

4 x 17 = 68

68 x 6 = 408 cm3

Shape C

8 x 12 x 7

8 x 12 = 96

96 x 7 = 672 cm3