So what is 4444 x 55555
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Ответ:
246,886,420
Explanation: in pic
Ответ:
A=pi*r^2
Circumference= pi*r^2 dr/dt --> 2*pi*r
hence 12=2*pi*r
r= 1.91
A= 3.14*1.91^2=11.45
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