Math, asked by jasnoormatharu11, 4 months ago

le lateral
9. Find the total surface area of a hollow cylinder open at both ends, if its length is 28 cm, external radius is 7
cm and thickness is 1 cm

Answers

Answered by sk515162662

1

Step-by-step explanation:

2*22/7*6*28

=44*24=1056+1232

=2288(Ans)

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