Question

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.




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Answer 1

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°°° Explanation °°°

d=14cm and h=20cm

⇒Height of the label =20−2−2=16 cm

⇒Radius = 2d

= 214

=7 cm

⇒Area of the label = 2πrh = 2× 7 22 ×7×16

=704 sq cm