violetagamez2
21.04.2021 •
Mathematics
A tank in the shape of a cylinder of diameter 2.4 m and height 6.4 m contains oil to the brim. Find the number of complete cylindrical containers of base radius 8.2 cm and height 28 cm which can be filled by the oil in the tank.
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Ответ:
Step-by-step explanation:
olume of the cylindrical portion of the tank= ttr²h
=22/7 * (21/2)2 * 18cm3 = 174636/ 28 m3
= 6237m3
volume of 2 conical ends
=2 (1/3 ttr2h) =2/3 ttr2h =2/3 * 22/7 * (21/2)2 * 9m3
=174636 / 84 m3 =2079m3
therefore, capacity of the tank= 6237m3 + 2079m3= 8316m³=83160000
Ответ: