A rectangular sheet of paper 40 cm x 22 cm is rolled to form a hollow cylinder of height 40 cm. Find the radius of the cylinder.
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hey the answer is .....
h =40 cm
radius = circumference
r = 2 pi r
22 = 2 × 22/7 × r
22 × 7/22 × 1/2 = r
r = 7/2 = 3.5 cm
hope it helps uu frnd
h =40 cm
radius = circumference
r = 2 pi r
22 = 2 × 22/7 × r
22 × 7/22 × 1/2 = r
r = 7/2 = 3.5 cm
hope it helps uu frnd
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