Answer:
Yes is is because it is close to 400, I think. "Compatible numbers are close in value to the actual numbers that make estimating the answer and computing problems easier."
Step-by-step explanation:
no. I believe this is the answer
angle four is vertical to angle 2
5:12
1 2 3 4 5 6 7 8 9
2 8
3 7
4 6
5 5
6 4
7 3
8 2
9 8 7 6 5 4 3 2 1
