What is the ratio for the surface areas of the rectangular prisms shown below,
given that they are similar and that the ratio of their edge lengths is 7:3?
7
21
3
9
6
14
O A. 343:27
B. 9:49
C. 49:9
D. 27:343
![What is the ratio for the surface areas of the rectangular prisms shown below given that they are similar and that the ratio of their edge lengths is 73 7 21 3 class=](https://us-static.z-dn.net/files/d65/39564362db57752a22405fc69a8f8f75.png)