Changes

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.

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

= Project Ideas =

= Project Ideas =