a rectangular sheet of acrylic is 34cm by 24cm from it, 64circular buttons,each of diameter is 3.5, have been cut out find the area of the remaining sheet.
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Area of Sheet=34×24=816cm^2
area of 1 button=pi×r^2
=9.625
so, Area of 64 buttons=64×9.625
=616cm^2
so, area of remaining sheet= 816-616=200cm^2
area of 1 button=pi×r^2
=9.625
so, Area of 64 buttons=64×9.625
=616cm^2
so, area of remaining sheet= 816-616=200cm^2
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