caitlinharriso1 caitlinharriso1

23-01-2018
Mathematics

contestada

calculate the area of a circle with the diameter of 10.4 cm

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jdoe0001 jdoe0001

23-01-2018

if the diameter is 10.4, the radius is half that, or 5.2, therefore,

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2\qquad \begin{cases} r=radius\\ -----\\ r=5.2 \end{cases}\implies A=\pi 5.2^2\implies A=27.04\pi [/tex]

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