A company packages its milk powder in cylindrical container whose base has a diameter of 18 cm and height 20 cm. Company places a label around the surface of the container (as shown in figure). If the label is placed 3 cm from top and bottom, what is the area of the label?
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Step-by-step explanation:
Diameter=18cm
radius=D/2 18/2=9cm
Height 20 cm
label part area 20-(3+3)=14cm
lateral surface area=2pie r²h
=2×22/7×9×9×14
=324cm³
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