The length of the rectangle would be 21
Proportion to set it up would be 7/3 x X/9 cross multiply and solve for x which is 21
1 - 113 degrees
2 - 67 degrees
3 - 67 degrees
4 - 113 degrees
Hope this helped :)
Answer:
I to 16
Step-by-step explanation:
The first point was put on one and the last was on 16