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Rachel,an engineering student,was asked ...

Rachel,an engineering student,was asked to make a model shaped like a cyclinder with two cones attached at its two ends by using a thin aluminium sheet.The diameter of the model is 3 cm and its length is 12cm.If each cone has a height of 2 cm,find the volume of air contained in the model that Rachel made.(Assume the outer and inner dimensions of the model to be nearly the same).

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R G PUBLICATION-SURFACE AREA AND VOLUMES-EXERCISE
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  2. A solid is in the shape of a cone standing on a hemisphere with both t...

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  3. Rachel,an engineering student,was asked to make a model shaped like a ...

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  4. A gulab jamun contains sugar syrup up to about 30% of volume,Find appr...

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  8. A solid consisting of a right circular cone of height 120cm and radius...

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  13. A well of diameter 3 m is dug 14 m deep.The earth take out of its has ...

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  14. A container shaped like a right circular cylinder having diameter 12 c...

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  16. A cylinder bucket,32 cm high and with radius of base 18 cm,is filled w...

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  17. Water in a canal,6 m wide and 1.5 m deep,is flowing with a speed of 10...

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  18. A farmer connects a pipe of internal diameter 20cm from a canal into a...

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  19. A drinking glass is in the shape of a frustum of a cone height 14 cm.T...

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

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