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Class 7 Mathematics Length, Perimeter and Area: Surface Area

An open cylinder has a radius of 3 $1/2$ cm and a height of 10cm. What is its surface area? (Take $pi=22/7$ )
A. 385 $cm^2$
B. 220 $cm^2$
C. $258 1/2 cm^2$
D. $297 cm^2$

(3m 51s)

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