Answer & Step-by-step explanation:
5). x = 4
6). x = 8
You can write in the comments if you want an explanation.
Hope this help ;)
Answer:
47496
Step-by-step explanation:
168.61
C=2*Pi*R
C=2*3.14*26.85
C=6.28*26.85
C=168.61
x=12