Question

find the area of the sheet required to cover both ends of an open cylinder whose curved area is 3080 square cm and height is 35 cm

Answer 1

1232cm square is the answer I think

Answer 2

CSA=3080
pirh=3080
r=3080×7/22×35
r=28
now,
required area=2pir^2
=2×22/7×28×28
=44×4×28
=4928cm^2