A rectangualr sheet of paper 40×22 is rolled to forma hollow cylinder of height 40.find the radius if the cylinder
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rectangle,
l=40cm
b=22cm
and,
cylinder,
h=40cm
r=?
circumference of cylinder=2πr
22=2×22/7×r
22×7/22×2=r
7/2=r
radius of cylinder is 7/2 cm
hope this answer will help you.
l=40cm
b=22cm
and,
cylinder,
h=40cm
r=?
circumference of cylinder=2πr
22=2×22/7×r
22×7/22×2=r
7/2=r
radius of cylinder is 7/2 cm
hope this answer will help you.
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