A cube with a length of 10cm would have a SA of 600sq.cm. A cube with a length of 5cm would have a SA of 150sq.cm. Together these two figures would have SA of 750sq.cm.
SA=6x2 SA=6(6)2 SA=6(36) SA=216
SA = 54cm2
SA = 96 cm2
SA = 24
SA = 34.56 mm2
SA = 150 cm2
i assume you mean that the length of one edge of the cube is 12 feet. if so: there are 6 faces on a cube each face is a square the area of a square is it's side squared so... 6(12x12) = SA 6(144)=SA 864=SA 864 ft squared is the surface area
SA = 54 so SA of one face = 54/6 ie 9, making each edge 3 so vol. of cube is 27
SA = 294 cm2
SA = 96 square units.
SA = 1,176 cm2