Cylinder S,V

What is the volume and surface area of a cylinder whose base has a diameter of 3.15 cm and a height of 25 cm.

Correct answer:

S =  262.9866 cm2
V =  194.8278 cm3

Step-by-step explanation:

h=25 cm D=3.15 cm  r=D/2=3.15/2=4063=1.575 cm  S1=π r2=3.1416 1.57527.7931 cm2 S2=2π r h=2 3.1416 1.575 25247.4004 cm2  S=2 S1+S2=2 7.7931+247.4004=262.9866 cm2
V=S1 h=7.7931 25=194.8278 cm3

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