A rectangular piece of paper is 88cm in length and 20cm in width .it is rolled into a cylinder along its length. Find the surface area of cylinder
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Answered by
3
Answer:
88×20=1760
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Answered by
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Step-by-step explanation:
hey mate here is your answer
_____________________________________
length= 88 cm
height= 20 cm
now,
circumference = 88 cm
2πr = 88
2x(22/7) x r = 88
r = 14 cm
curved surface of a cylinder = 2πrh
= 2 x (22/7) x 14 x 20
= 1760 square cm
total surface area = 1760 +2 *(22/7)x 14*14
total surface area =1760 + 1232
= 2992 square cm
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