Question

28. A group of 21 school students shared the ice-cream brick in lunch break to celebrate the Independence
Day. If each one takes a hemispherical scoop of ice-cream of 3 cm radius, find the volume of ice-cream
eaten by them.
(a) If the dimensions of the ice-cream brick are 10cm x 10cm x 12cm, how much volume of cream is left? (use π = 22/7)
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Answer 1

Answer:

Volume of hemisphere = 1/2 volume of sphere = (1/2)*(4/3)*pi*r^3 =(2/3)*pi*r^3 where r is the radius

Volume of each scoop per student is thus (2/3)*(22/7)*3^3 = (2)*(22/7)*3*3 = (44/7)*9

21 students consume thus 21*(44/7)*9 = 3*44*9 = 1188 cubic cm

Step-by-step explanation:

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Answer 2

Answer

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