Answer:

Step-by-step explanation:
Let me know if that is not the same equation you wrote and if you have any questions !!
It’s an obtuse triangle, this is because none of the sides/angles are equal to one another. Hope this helped you
Uhm is this a question orrrrrr
3(x+8)
You know that area of a rectangle is length x width. The width you know is 3 and the length is whatever x is plus 8 more inches, therefore it is x+8.