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  • 09-12-2021
  • Mathematics
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priyodiptobasak
priyodiptobasak priyodiptobasak
  • 09-12-2021

Answer:

R=11cm, r=3cm

Step-by-step explanation:

π(R²-r²) = π(121-9) = 112π cm² = 35.63cm².

hope this helps you.

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