The edge of a cube is 7a cm. Find its surface?	Choose one
A) 24 a 8	B) 24 a 4	C) 24 a 1	D) 24 a 2	E) 294 a 2

Rationale: 6 a 2 = 6 * 7 a * 7 a = 294 a 2 answer : e
Answer: E