A company packages its milk powder in cylindrical
container whose base has a diameter of 14cm and height
20cm. Company places a label around the surface of
the container (as shown in the figure). If the label is
placed 2cm from top and bottom, what is the area of
the label?
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Answer:
Step-by-step explanation:
Given:
Diameter of cylindrical container(d) = 14 cm
Radius of cylindrical container (r) = 7 cm
Height of cylindrical container (h)= 20 cm
Height of the label (h) = 20 –(2 +2)= 20 – 4= 16
h= 16 cm
Curved surface area of label = 2πrh
= 2 × 22/7× 7× 16
= 44× 16
= 704 cm²
Hence, the area of the label = 704 cm²
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