A solid cone of height 9 cm diameter of its base eating cm is cut out from a wooden solid sphere of radius 9 cm the percentage of food wastage is
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Step-by-step explanation:
hieght of cone is 9cm
radius of cone is 9cm
therefore volume of cone will be=1/3πr²h
=π3 x 9 x 9
=243π
now volume of sphere is =4/3πr³
=4/3π9 x 9 x 9=972π
therefore volume of wood left=972π-243π=729π
therefore percentage of wood waste=729π/972π x 100
= 75%
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