Equilateral cylinder

The equilateral cylinder (height = base diameter; h = 2r) has a V = 272 cm3 volume. Calculate the surface area of the cylinder.

Correct answer:

S =  232.4 cm2

Step-by-step explanation:

V=272 cm3 h = 2r  V = π   r2   h = 2 π r3 r=32πV=32 3.14162723.5113 cm h=2 r=2 3.51137.0225 cm  S1=π r2=3.1416 3.5113238.7325 cm2  V1=S1 h=38.7325 7.0225=272 cm3 V1=V  S=2 S1+2π r h=2 38.7325+2 3.1416 3.5113 7.0225=232.4 cm2



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