1.

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Takeπ = $\frac{22}{7}$)1). 1879.432). 3758.863).939.7154).2819.145

Answer»

1879.43 : SEEMS CORRECT



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