With what because I cannot see the math or any subject of the answer you need
Answer:

Step-by-step explanation:
Given radius
and arc length
.


Answer:
30+(2x+7)+63=180(sum of angles of triangle )
30+2x+7+63=180
2x+100=180
2x=180-100
x=80/2
x=40
9/200. divide 45 and 1000 both by 5 to reduce it.
Answer:
Its 2
Step-by-step explanation: