Soe fruits are sliced and packed into cylindrical cans and height 32cm and diameter of base 20cm .A label is placed around the cueved surface of the can by leaving a margin of 2 cm from the loop and bottom of the can.Find the surface area of the label
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Diameter of the container = 14 cm
Radius = 7 cm
Height of the container = 20 cm
Curved surface area of the container = 2πrh
= 2 x 22/7 x 7 x 20
= 880 cm2
Height of the label = 20 - (2 x 2) = 20 - 4 = 16
Area of the label = 2πrh
= 2 x 22/7 x 7 x 16
= 704 cm2
Hence, area of the label is 704 cm2.
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