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The slant height of a frustum of a cone ...

The slant height of a frustum of a cone 4 cm and the perimeters(circumferences) of its circular ends are 18 cm and 6 cm.Find the curved surface area of the frustum.

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R G PUBLICATION-SURFACE AREA AND VOLUMES-EXERCISE
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  2. A drinking glass is in the shape of a frustum of a cone height 14 cm.T...

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  3. The slant height of a frustum of a cone 4 cm and the perimeters(circum...

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  4. A fez,the cap used by the Turks,is shaped like the frustum of a cone ...

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  5. A copper wire,3 mm in diameter, is wound about a cylinder whose length...

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  6. A right triangle whose sides are 3 cm and 4 am (other than hypotenuse)...

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  7. In one fortnight of a given month,there was a rainfall of 10 cm in a r...

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  8. An oil funnel made of tin sheet consists of a 10cm long cylindrical po...

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  9. The surface area of a sphere is 616cm^2.Find its radius.

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  10. A cylinder,a cone and a hemisphere are of equal base and have the same...

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  11. A cylinder and a cone are of the same base radius and of some height.F...

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  12. A sphere and a cube have equal surface areas.What is the ratio of the ...

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  13. The radii of two cones are in the ratio 2:1 and their volumes are equa...

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  14. The radii of the bases of a cylinder and a cone are in the ratio 3:4 a...

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  15. Two cones height are in the ratio 1:3 and radii 3:1.What is the ratio ...

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  16. Two cubes have their volumes in the ratio 1:27.What is the ratio of th...

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  17. A sphere of maximum volume is cut out from a solid hemisphere of radiu...

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  18. What is the ratio of the volume of a cube to that of a sphere which wi...

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  19. If the slant height of the frustum of a cone is 5 cm.If the difference...

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  20. The slant height of the frustrum of a cone is 5cm.If the difference be...

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