Answer:
Hey! I hope you're doing well, I know school is exhausting ok enough jabbering here's the answer:
Explanation:
100ft squared. So first find the area of the rectangle which is 9*8 = 72. Formula 
 Now find the area of the triangle
 Now find the area of the triangle
Formula 
 
 
Answer: 28ft squared 
Now add those areas together and you'll get= 100ft squared, hope this helps!