Find the area of the shaded region square units
![find the area of the shaded region square units](http://d2vlcm61l7u1fs.cloudfront.net/media%2Fec1%2Fec17c862-c864-4a1a-8341-40a133424d46%2Fphp98qTXr.png)
- Find the area of the shaded region in square units show your reasoning
- Find the number of square units in the area of the shaded region
- Given that the area of the shaded region is 45 square units find the value of a
- Explain how to find the area of the shaded region at the right then find the area in square units