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Mensuration
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Revision as of 17:40, 11 July 2014
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17:40, 11 July 2014
→Mensuration
Line 378:
Line 378:
Case 2:- Hollow pen stand: Pen stand which is open both the sides i.e., top and base.
Case 2:- Hollow pen stand: Pen stand which is open both the sides i.e., top and base.
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Then we have to calculate Curved surface area of cylinder.
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Then we have to calculate Curved surface area of cylinder.
<br>
Case 3:-Pen stand which is closed both the sides i.e., top and base.
Case 3:-Pen stand which is closed both the sides i.e., top and base.
Then we have to calculate total surface area of cylinder.
Then we have to calculate total surface area of cylinder.
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Line 426:
To calculate weight of the solid cone we have to use density of the given material.<br>
To calculate weight of the solid cone we have to use density of the given material.<br>
density=<math>10gm/{cm^3}</math><br>
density=<math>10gm/{cm^3}</math><br>
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=<math>{\frac{10Kg}{1000cm^3}}</math><br>
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=<math>{\frac{10Kg}{1000cm^3}}</math><br>
Weight of solid cone=volumeXdensity
Weight of solid cone=volumeXdensity
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=<math>2618{cm^3}{X}{\frac{10Kg}{1000cm^3}}</math><br>
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=<math>2618{cm^3}{X}{\frac{10Kg}{1000cm^3}}</math><br>
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=26.18Kg
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=26.18Kg
= Project Ideas =
= Project Ideas =
Saroja Adur
138
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