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JailynJohnson
JailynJohnson JailynJohnson
  • 17-03-2015
  • Mathematics
Answered

can you please help me on problem 4 and 5 of my teacher created problem.

can you please help me on problem 4 and 5 of my teacher created problem. class=

Verified Answer :

Hippalectryon
Hippalectryon Hippalectryon
  • 17-03-2015
  1. Area of a disk of diameter D : \(A= \pi*(D/2)^2\approx3.14*(3.5)^2=38.465\)

    Assuming that you use the usual convention of rouding 5 to the greater number : 

    A=38.47

    5. Diameter of a circle of radius r : \(A= \pi D=47\) hence \(D\approx47/3.14\approx14.97\)
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