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A company packages its milk powder in a cylindrical container whose base has a diameter of 14 cm and height 20 cm. Company places a label around the surface of the container.

If the label is placed 2 cm from top and bottom, what is the area of the label?

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704

c m 2

708

c m 2

501

c m 2

600

c m 2

answer is A.

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Detailed Solution

It is given a company packages its milk powder in a cylindrical container whose base has a diameter of 14 cm and height 20 cm and a figure,
Question Image

Radius of cylindrical container(r) is;

⇒ d 2 ⇒ 142 ⇒ 7 cm

Height of Label on Cylindrical container

= 20 − 2 − 2 = 16 c m

Curved surface area of a cylinder is;
Question Image

Therefore, the curved surface area of label on Cylindrical container is

.
Hence option (1) is correct.

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