A rectangular piece of paper having length 28 cm and breadth 20 cm is – InterviewSolution

1.	A rectangular piece of paper having length 28 cm and breadth 20 cm is rolled along with the lengthform a cylinder. Find the curved surface area of the cylinder thus formed.6.
Answer» length =28cm it will be circumferencebreadth =20cm so it will be the height.circumference=2πrhence28=222/7r28*7/44=rr=49/11CSA=2πrh=560cm^2

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