Question

pls solve with explanation​

Answer 1

Answer:

1 cm

Step-by-step explanation:

See in the attachment.

Answer 2

Answer:

1 cm

Step-by-step explanation:

given

let the big circle radius be R and small's one be r

2πR =8πcm

R =4cm

2πr =6πcm

r=3

dist between radius

Rcm- rcm

4cm-1cm

=1cm