A right-circular cylinder has base radius 14 cm and height 21 cm. The curved surface area is A) 1848 cm^2
A right-circular cylinder has base radius 14 cm and height 21 cm. The curved surface area is
A) 1848 cm2
B) 616 cm2
C) 3080 cm2
D) 12936 cm2
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Correct option is: A) 1848 cm2
We have r = Base radius of cylinder = 14 cm
h = Height of the cylinder = 21 cm.
\(\therefore\) Curved surface area of cylinder = 2 \(\pi rh\)
= \(2 \times \frac {22}7 \times 14 \times 21 = 88 \times 21\)
= 1848 \(cm^2\)
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