question_answer

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

Answer:

Diameter of cylinder = 14 cm

r = 7 cm

The height of cylindrical label \[=204=16\text{ }cm\]

Curved surface area of cylindrical label

\[=2\pi rh\]=

\[=2\times \frac{22}{7}\times 7\times 16\]

\[=\text{ }704\text{ }c{{m}^{2}}\]