Question

given the concentric circle with center c

Answer 1

Please complete your question dear. Its incomplete.

Answer 2

Answer:

AB=10cm

let the big circle be C

so it s radius be R

let the radius of the second circle be r

it is given that AB=10cm

so radius of bigger circle is

R=AB+r

= 10+r

similarly,

R=CD+r

by comparing both the values

10+r=CD+r

CD=10cm

Step-by-step explanation:

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