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Answer :
Capacity of the glass, \(V \ = \ \frac{1}{3} \ × \pi \ × \ h \ (R^2 \ + \ r^2 \ + \ Rr) \)
Here, R = 2 cm , r = 1 cm , h = 14 cm
\( \therefore V \ = \ \frac{1}{3} \ × \frac{22}{7} \ × \ 14 \ (2^2 \ + \ 1^2 \ + \ 2 \ × \ 1) \ \)
\( = \ \frac{44}{3} \ × \ (4 \ + \ 1 \ + \ 2) \)
\(= \ \frac{44}{3} \ × \ 7 \ = \ \frac{308}{3} \) cm3