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Find the area or the circumference of the circle: d=28mm;A=?

 Apr 9, 2020

Best Answer 

 #1
avatar+9477 
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Find the area or the circumference of the circle: d=28mm;A=?

 

\(A=\frac{d^2\pi}{4}=\frac{28^2mm^2\pi}{4}\)

\(A=615.752mm^2\)

 

\(C=d\pi=28mm\cdot \pi\)

\(C=87.965mm\)

laugh  !

 Apr 9, 2020
 #1
avatar+9477 
+2
Best Answer

Find the area or the circumference of the circle: d=28mm;A=?

 

\(A=\frac{d^2\pi}{4}=\frac{28^2mm^2\pi}{4}\)

\(A=615.752mm^2\)

 

\(C=d\pi=28mm\cdot \pi\)

\(C=87.965mm\)

laugh  !

asinus Apr 9, 2020

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