Question 384589
diameter of ball = 5.5 cm
So diamter of cylinder = 5.5 cm.
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the can holds two balls.
so height = 11 cm.
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Total surface area = 2pi*r^2+ 2*pi*r*h
A=2*pi*2.25^2+2*pi*2.25*11
A = 187.3 sqcm
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