Verified Answer :

vivindalka

\(r=15,4\ cm\\C=2\cdot\ \pi\ \cdot\ r\\C=2\cdot\ \pi\ \cdot\ 15,4\ cm\\C=30,8\ \pi\ cm\)

\(\pi\approx\ 3,14\)

\(C=30,8\ \cdot\ 3,14\ cm\\C=96,712\ cm\)

π = 3,14

c = 2.π.r
c = 2.3,14.15,4
c ≈ 96,7

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