Answer:
4
Step-by-step explanation:
Answer:
8
miles or 25.133 miles
Step-by-step explanation:
your radius is 4 miles.
The area of a circle is A= 
Therefore, the area of this circle is
, or 16
Half of this area, because what you're looking for is a semi-circle, is:
8
(exact) or 25.133 (rounded) miles.
Ok so what help do I need
Answer:
number 3
Step-by-step explanation:
(3,000+900+70) = 3,970
3,970*10 = 39,700