Two identical solid cubes of side a are joined end to end. Then the total surface area of the resulting cuboid is
A. 12a2
B. 10a2
C. 8a2
D. 11a2
Answer:B
Two identical solid cubes of side a are joined end to end. Then the total surface area of the resulting cuboid is
A. 12a2 B. 10a2 C. 8a2 D. 11a2