Answer:
They are 20 km away from each other,
Step-by-step explanation:
1cm=5km so 4cm=20km
The answer is 1.6632. Using a calculator will help you out a lot :)
Still, hope this helps :)
Ok so to answer this, we first need to figure out the area of both circles
we will use the formula A=πr²
so our two areas end up being 121π and 81π
now all we do is subtract the smaller from the larger
121π - 81π = 40π
shaded region = 40π
