Answer:
ez, all you need to do is find the area of the rectangle by itself so 3x9 is 27, cuz its formula is bxh then u need to find the area of the triangle so 3x3 which is 9 and divde by 2 which is 4.5 and 27-4.5 is 22.5 so thats ur answer.
Step-by-step explanation:
