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D e a r s t u d e n t, L e t t h e s i d e o f s t o r a g e \tan k b e a t h e n v o l u m e = a^{3} W h e n i t i s f u l l, v o l u m e o f w a t e r = 15.625 m^{3} t h e n a^{3} = 15.625 a^{3} = \frac{15625}{1000} = \frac{25 \times 25 \times 25}{10 \times 10 \times 10} a = \frac{25}{10} a = 2.5 m n o w i f t h e d e p t h i s 1.3 m T o f i n d t h e v o l u m e o f u s e d w a t e r, t h e n h = 2.5 - 1.3 h = 1.2 m l = 2.5 m, b = 2.5 m V o l u m e o f u s e d w a t e r = 2.5 \times 2.5 \times 1.2 = 7.5 m^{3} R e g a r d s

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