The curved surface area of a cylinder is 1,000 cm square and the radius of its base is 21 cm. find the total surface area of the cylinder.
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Answered by
10
csa of cylinder=2*22/7*21*h
1000=2*22/7*21*h
1000=2*22*3*h
1000/132=h
h=7.57cm
tsa of cylinder=2*22/7*21*(7.57+21)
=3771.24 approx.
1000=2*22/7*21*h
1000=2*22*3*h
1000/132=h
h=7.57cm
tsa of cylinder=2*22/7*21*(7.57+21)
=3771.24 approx.
Answered by
2
Csa of cylinder =2x22\7x21xh=1000cm
44x3xh=1000
132xh=1000
h = 1000\132= 7.5 cm(approx)
tsa = 2x22\7x21(21+7.5)
132(28.5)=3762cm square
44x3xh=1000
132xh=1000
h = 1000\132= 7.5 cm(approx)
tsa = 2x22\7x21(21+7.5)
132(28.5)=3762cm square
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