Surface area is the area of all the sides added up. If you were to unfold all the areas and make it flat (2-D), area is

.
Volume would be cubed because it's 3-D
Answer:
maxuin 10
Step-by-step explanation:
Answer:
The answer is B. 9
Use cosine rule. In this case, I am using SOH and the right triangle:
sin 60°= a ÷ 6 root 3
(6 root 3)(sin 60°)= a
a=9
Step-by-step explanation: