The diagram shows two symmetrically placed squares with sides of length 2 and 5.
What is the ratio of the area of the small square to that of the shaded region?
A 7:24
B 1:3
C 8:25
D 8:21
E 2:5
![The diagram shows two symmetrically placed squares with sides of length 2 and 5 What is the ratio of the area of the small square to that of the shaded region A class=](https://us-static.z-dn.net/files/d31/ccb3720b78b101b92ddb630c6f348799.png)