corinthiancrawford corinthiancrawford

17-06-2016
Mathematics

contestada

A(r) is a function that gives the area of a circle with radius r. it can be written in equation form as A(r)=3.14r^2. what is the value of A(4)

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williambusby williambusby

17-06-2016

[tex] \pi [/tex]r^2 = area
r = 4, [tex] \pi [/tex] * 4^2 = 16[tex] \pi [/tex]
Area = 50.24 (2 d.p.)

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GODIS4EVER777 GODIS4EVER777

21-06-2016

50.25 GOD BLESS YALL that's the answer I am pretty sure

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