a rectangular sheet of paper of dimension 44 cm × 14 cm is rolled along its length and a cylinder is formed. find the surface area
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rectangular sheet
l=44cm
b=14cm
now,
cylinder
h=14cm
2πr=44
2×22/7×r=44
r=44×7/2×22
r=7cm
TSA of cylinder=2πr(h+r)
=2×22/7×7(14+7)
=2×22×21
=44×21
= 924cm²
hope this answer will help you.
l=44cm
b=14cm
now,
cylinder
h=14cm
2πr=44
2×22/7×r=44
r=44×7/2×22
r=7cm
TSA of cylinder=2πr(h+r)
=2×22/7×7(14+7)
=2×22×21
=44×21
= 924cm²
hope this answer will help you.
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