Block-shaped 13521

A block-shaped aquarium with dimensions of 82 cm, 30 cm, at 7.6 cm is filled with 70% water. How many liters of water is in it? What height does the water reach? From what% of the sidewall area is wetting?

Correct answer:

V =  130.872 l
h =  5.32 dm
p =  70 %

Step-by-step explanation:

a=82 cm dm=82:10  dm=8.2 dm b=30 cm dm=30:10  dm=3 dm c=7.6 dm  q=0.70  V=a b c q=8.2 3 7.6 0.7=130.872 l
h=c q=7.6 0.7=5.32 dm

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