Q10.    A company packages its milk powder in cylindrical container whose base has a diameter of 14 cm and height 20 cm. Company places a label around the surface of the container (as shown in the figure). If the label is placed 2 cm from top and bottom, what is the area of the label.

        

Answers (1)

Area of label =  2πrh

                     = 2\Pi \times(7)\times(16) = 703.71\ cm^2

Here height is found out as = 20-2-2 = 16 cm. 

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