What is the area of this polygon?
A. 28.5 units^2
B. 34.5 units^2
C. 37.5 units^2
D. 40.5 units^2
![What is the area of this polygon A 285 units2 B 345 units2 C 375 units2 D 405 units2 class=](https://us-static.z-dn.net/files/dae/584afca97562eebcb31933558c7e991f.png)