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What is a hemisphere?...

What is a hemisphere?

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Surface area of a hemisphere is

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If the surface area of a hemisphere is ,'S' then express 'r' interms of 'S'.

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Find the surface area of a hemisphere whose radius is 10.5 cm.

Find the total surface area of a hemisphere, whose radius is 14 cm.

Find the total surface area of a hemisphere, whose radius is 7 cm.

A ballon is in the shape of an inverted cone surmounted by a hemisphere. The height of the cone is equal to the diameter of the sphere. If h is the total of the ballon, how does the volume of the ballon changes with h? What is the rate in volume when h=9 units?

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VGS PUBLICATION-BRILLIANT-SURFACE AREAS AND VOLUMES-EXERCISE
  1. Describe a right circular cone.

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  2. What is a sphere ?

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  3. What is a hemisphere?

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  4. Each edge of a cube is increased by 50%. Find the percentage Increase ...

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  5. Find the edge of a cube whose volume is 42.875 cm^3.

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  6. Find the height of the square pyramid whose base perimeter is 36 cm an...

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  7. The curved surface area and volume of a cylinder are 44 cm^2 and 38.5 ...

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  8. A hemispherical bowl is made up of stone whose thickness is 3 cm. If t...

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  9. The dimensions of a rectangular iron sheet are 20 cm and 14 cm. Square...

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  10. A shotput is a metallic sphere of radius 1 cm and It weighs 26.4 kg. F...

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  11. Surface area of a cuboid whose length, breadth and height are 10 cm, 8...

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  12. Lateral Surface area of a cube whose edge is 3.5 cm is

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  13. Volume of a right prism is

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  14. The volume of a cube whose side 8 cm is

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  15. The volume of a pyramid is

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  16. The volume of isosceles right angled triangular prism where the equal ...

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  17. The volume of a square pyramid whose base area is 16 cm and height 8 c...

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  18. The volume of a cube is ̀729 cm^3 ̀, then its side is

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  19. The volume, length and breadth of a cuboid are ̀60 cm^3 ̀, 5 cm, 4 cm ...

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  20. If each dimension of a cuboid is increased by 4 times, then the total ...

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