Question

I need help answering both of these question. Most helpful and quickest gets the brainliest answer! :D

Answer 1

It's A for sure it's the only one that makes sense

Answer 2

$\pi 11 ^{2} - \pi 9^{2}$ is the second one if you need the answers just tell me 

idk scale factor but ik that the trail is 16 km for the first trail and the second idk