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htxadrie htxadrie
  • 18-01-2015
  • Mathematics
Answered

what is the best estimate of the area of the shaded region?

what is the best estimate of the area of the shaded region? class=

Verified Answer :

daniel2019360
daniel2019360 daniel2019360
  • 18-01-2015

area of outer circle=\(11^{2} * \pi\)=121\(\pi\)
area of inner circle=\(4^{2} * \pi =16 \pi\)
area of shaded part=\(121 \pi -16 \pi =105 \pi\)

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