A rectangular piece of dimensions 20 cm and 14 cm is rolled along with the breath to form cylinder. Find the radius of the base of cylinder so formed
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circumference = 20 cm
circumference of the cylinder = 2×22/7×r
20=44/7×r
20×7/44 = r
3.18 = r
so, radius= 3.18 cm
circumference of the cylinder = 2×22/7×r
20=44/7×r
20×7/44 = r
3.18 = r
so, radius= 3.18 cm
ddwf:
wrong, take 14cm as breadth
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