Changes
From Karnataka Open Educational Resources
44 bytes removed
, 17:40, 11 July 2014
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| 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. |
− | Then we have to calculate Curved surface area of cylinder. | + | 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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| 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> |
− | =<math>{\frac{10Kg}{1000cm^3}}</math><br>
| + | =<math>{\frac{10Kg}{1000cm^3}}</math><br> |
| Weight of solid cone=volumeXdensity | | Weight of solid cone=volumeXdensity |
− | =<math>2618{cm^3}{X}{\frac{10Kg}{1000cm^3}}</math><br>
| + | =<math>2618{cm^3}{X}{\frac{10Kg}{1000cm^3}}</math><br> |
− | =26.18Kg
| + | =26.18Kg |
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| = Project Ideas = | | = Project Ideas = |