1.Noah was checking the dimensions of a toy building block when his father looked in. "It's a perfect cube, all right," Antony told him. "I know, Dad, but I've found something special about this one," they boy replied. "There are just one and a half times as many cubic centimetres in its volume as there are square centimetres in the total of all its sides." What were the dimensions?

Block 11cm by 11cm by 11cm

Block 7cm by 7cm by 7cm

Block 9cm by 9cm by 9cm