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A rectangular sheet of paper 40cmxx22cm ...

A rectangular sheet of paper `40cmxx22cm` is rolled to form a cylinder of height 40 cm. find the radius of the cylinder.

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The correct Answer is:
3.5 cm
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ZEN PUBLICATION-SURFACE AREAS AND VOLUMES-ZEE ADDITIONAL QUESTIONS -VERY-SHORT ANSWER [VSA] QUESTIONS
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  7. The volume of a cylinderical vessel is 448picm^(3) and its height is 7...

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  8. The volume of a cone is 2355cm^(3) and its base area is 314 cm^(2). Fi...

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  9. A metallic solid cone is melted to form a solid cylinder of equal radi...

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  10. The sum of radius of base and height of a solid cylinder is 37 cm. the...

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  11. The volume of a hemisphere is 2425(1)/(2)cm^(3). Find its curved surfa...

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  12. A conical tent is to accommodate 11 persons. Each person must have 4 s...

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  13. A cloth 5 m wide is used to make a conical tent of base diameter 14 m ...

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  14. If the total surface area of a solid hemisphere is 462cm^(2), find its...

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  15. The slant height of a frustum of a cone is 5 cm and the difference bet...

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  16. Write the foumula to calculate the curved surface area of the frustum...

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  17. Write the formula to find the total surface area of the cone whose rad...

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