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Find what length of canvas, 2 m in width...

Find what length of canvas, 2 m in width, is required to make a conical tent 12 m in diameter and 63 m in slant height?
Also, find the cost of the canvas at the rate of Rs. 150 per metre.

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The correct Answer is:
`89, 100`
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ICSE-CYLINDER, CONE AND SPHERE -EXERCISE 20 (G)
  1. Find what length of canvas, 2 m in width, is required to make a conica...

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  2. What is the least number of solid metallic spheres, each of 6 cm diame...

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  3. A largest sphere is to be carved out of a right circular cylinder of r...

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  4. A right circular cylinder having diameter 12 cm and height 15 cm is ...

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  5. A solid is in the form of a cone standing on a hemi-sphere with both t...

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  6. The diameter of a sphere is 6 cm. It is melted and drawn into a wire o...

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

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  8. A solid iron pole having cylindrical portion 110cm high and of base ...

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  9. In the following diagram a rectangular platform with a semi-circular e...

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  10. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  11. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  12. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  13. A cylindrical water tank of diameter 2.8 m and height 4.2 m is being f...

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  14. Water flows, at 9 km per hour, through a cylindrical pipe of cross-sec...

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  15. The given figure shows the cross-section of a cone, a cylinder and a h...

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  16. A solid consisting of a right circular cone, standing on a hemisphere,...

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  17. A metal container in the form of a cylinder is surmounted by a hemisph...

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  18. A metal container in the form of a cylinder is surmounted by a hemisph...

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  19. An exhibition tent is in the form of a cylinder surmounted by a cone. ...

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  20. A test tube consists of a hemisphere and a cylinder of the same radius...

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  21. A solid is in the form of a right circular cone mounted on a hemispher...

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