Jacey231 Jacey231

21-07-2017
Mathematics

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given to circles who's radii are 70" and 49" the ratio of their circumfrences is

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apologiabiology apologiabiology

21-07-2017

c=2pir

first one is r=70
c=2pi70=140pi

2nd one is 49=r
c=2pir
c=2pi49
c=98pi

ratio is
140pi:98pi=10:7

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koziadam koziadam

21-07-2017

The ratio is 10:7 you are welcome :)

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