PriyanaW611048 PriyanaW611048

25-10-2022
Mathematics

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What is the radius, in centimeters, of a circle that has a circumference of 18 1/2

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ZyrenT791719 ZyrenT791719

25-10-2022

Circumference = 2πr

where c is the circumference and r is the radius

π = 22/7

[tex]18\text{ 1/2= 2}\times\frac{22}{7}\times r[/tex][tex]\frac{37}{2}=\frac{44r}{7}[/tex]

cross-multiply

[tex]259=88r[/tex]

Divide both-side by 88

r= 2.94 cm

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