Can you derive all these formulas in a sheet of paper only i need the derevation part plz
Dear Student,
Please note that the image shared by you has all the derivations.
These are basic formulas and there are only one line derivations, already given in the image.
For example, for the right circular cylinder, you can assume the Curved surface area to be similar to a rectangular area when flattened so a rectangle with length 2*pi*r and breadth h. You can similarly look at the other derivations already available on the page.
In case you have a specific doubt in inferring any particular step or any particular derivation, then please re-ask this question in a new thread, specifying the details, for rapid assistance from our experts,
Regards
Please note that the image shared by you has all the derivations.
These are basic formulas and there are only one line derivations, already given in the image.
For example, for the right circular cylinder, you can assume the Curved surface area to be similar to a rectangular area when flattened so a rectangle with length 2*pi*r and breadth h. You can similarly look at the other derivations already available on the page.
In case you have a specific doubt in inferring any particular step or any particular derivation, then please re-ask this question in a new thread, specifying the details, for rapid assistance from our experts,
Regards