What is the area of this rectangle?
a) 40 units²
b) 45 units²
c) 50 units²
d) 55 units²
![What is the area of this rectangle a 40 units b 45 units c 50 units d 55 units class=](https://us-static.z-dn.net/files/d3b/5e635478abf88b10aab8e556a0cd9ab6.png)