The pot

The pot is a cylinder with a volume of V = 7l and an inner diameter of d = 20cm. Find its depth.

Result

h =  22.3 cm

Solution:

V=7 l=7⋅ 1000 cm3=7000 cm3 d=20 cm  r=d/2=20/2=10 cm  S=π⋅ r2=3.1416⋅ 102≐314.1593 cm2  h=V/S=7000/314.1593≐22.2817≐22.3 cmV=7 \ l=7 \cdot \ 1000 \ cm^3=7000 \ cm^3 \ \\ d=20 \ \text{cm} \ \\ \ \\ r=d/2=20/2=10 \ \text{cm} \ \\ \ \\ S=\pi \cdot \ r^2=3.1416 \cdot \ 10^2 \doteq 314.1593 \ \text{cm}^2 \ \\ \ \\ h=V/S=7000/314.1593 \doteq 22.2817 \doteq 22.3 \ \text{cm}

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