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Mathematics
invita10
Feb 2, 2018, 5:59:30 PM
35

find the circumference of a circle whose radius is 15.4cm 

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(2) Answers
MaiaAmadeo
Feb 3, 2018, 5:22:04 AM

[latex]r=15,4\ cm\\C=2\cdot\ \pi\ \cdot\ r\\C=2\cdot\ \pi\ \cdot\ 15,4\ cm\\C=30,8\ \pi\ cm[/latex] [latex] \pi\approx\ 3,14[/latex] [latex]C=30,8\ \cdot\ 3,14\ cm\\C=96,712\ cm[/latex]

VictorinaBlafield256
Feb 3, 2018, 9:01:02 AM

π = 3,14 c = 2.π.r c = 2.3,14.15,4 c ≈ 96,7

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