Curved surface area CSA

A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area.

Correct result:

S =  109.9557 cm

Solution:

h=5 cm r=7/2=72=3.5 cm  S=2π⋅ r⋅ h=2⋅ 3.1416⋅ 3.5⋅ 5=109.9557 cm

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