rockinred2013
rockinred2013
08-03-2018
Mathematics
contestada
f(5)= 3.14r^{2}
pls help
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sqdancefan
sqdancefan
08-03-2018
If you have
.. F(r) = πr^2
and you want to evaluate it for r=5, you put 5 in place of every instance of r, then do the arithmetic.
.. F(5) = π*5^2
.. F(5) = 3.14*25 = 78.5
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