The edge of a cube is 3a cm. Find its surface?
Select.
A) 24a8  B) 24a4  C) 24a1  D) 54a2  E) 24a7
6a2 = 6 * 3a * 3a = 54a2   Answer:54a26 * 3  * 3= 
<gadget id="calculator">6 * 3  * 3</gadget>
<output>54</output>
54a2   Answer:54a2
<result>D</result>
The edge of a cube is 3a cm. Find its surface?