A cylindrical lampshade of height 30 cm and base diameter of 20 cm is to be covered with a decorative paper which has a folding margin of 2.5 CM on the top and the bottom find the area of the cloth required to cover the lamp shade
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diameter = 20m
radius = 10m
height = 30+2.5+2.5 = 35m
csa of a lamp = 2πrh
2×22/7×10×35
2200cm2
the area for cover required to cover lampshade is 2200cm2
radius = 10m
height = 30+2.5+2.5 = 35m
csa of a lamp = 2πrh
2×22/7×10×35
2200cm2
the area for cover required to cover lampshade is 2200cm2
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