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22. Mensuration-III (Surface Area and Volume of a Right Circular Cylin
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Q4 of 62 Page 22

The circumference of the base of a cylinder is 88 cm and its height is 15 cm. Find its curved surface area and total surface area.

Given,


Circumference of base of cylinder = 88 cm


Height of cylinder = 15 cm


So,


= Given


=


Radius of cylinder = 14 cm


∴ Curved surface area of cylinder =


∴ Total surface area area of cylinder =


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A rectangular strip 25 cm× 7 cm is rotated about the longer side. Find the total surface area of the solid thus generated.

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Questions · 62
22. Mensuration-III (Surface Area and Volume of a Right Circular Cylin
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