Water cylinder

Zuzana poured 785 ml of water into a measuring cylinder with a base radius of 5 cm. The water in the cylinder reached a height of 2 cm from the upper edge. How tall is the cylinder? (π = 3.14)

Correct answer:

h =  12 cm

Step-by-step explanation:

r=5 cm V=785 ml l=785:1000  l=0.785 l x=2 cm  V1=V cm3=V 1000  cm3=0.785 1000  cm3=785 cm3  S=π r2=3.1416 5278.5398 cm2  h1=V1/S=785/78.53989.9949 cm  h=h1+x=9.9949+2=12 cm

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