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Nutka1998 [239]
3 years ago
7

A rectangular sheet of paper 88cm×21cm is rolled along its length and cylinder is formed . find the total surface area of thecyl

inder.​
Mathematics
2 answers:
vagabundo [1.1K]3 years ago
8 0

length =88cm

breadth=21cm

when it is rolled it becomes cylinder

having circumference 88cm

2πr=88cm

r=88×7/44

r=14

h=21

total surface area of the cylinder =2πr(r+h).

=2×22/7×14(14+21)

=3080cm²

Paraphin [41]3 years ago
8 0

Answer:

Refer to the attached file

Hope it helps...

Have a great day : )

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