Question

A company package it's milk powder in cylindrical containers each of whose base has a diameter of 14cm and height 20 cm . The company places a label around the surface of the container . If the label is placed 2cm from the top and bottom , What is the area of the label
Ans - Height of the cylindrical is 20 cm , and height of label - (20-(2+2) ) Cm -16 cm
Radius of cylindrical -14/2 cm -7 cm
Clearly, the surface area of the label is the curved surface area of the cylindrical whose height is 16 cm and radius 7 cm
Surface area of the label -2pirb - 2 multiple 22/7 multiple 7 multiple 16cm2- 704cm2
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