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The top part of the table lamp is in the shape of a frustum of a cone. If the radii of circular bases are 12 \(cm\) and 4 \(cm\), and the height is 10 \(cm\), find the cost of painting the frustum part of the lamp, including the top part if \(1\) sq. cm \(= ₹0.50\).
 
lamp-3933255_1280.png
 
The cost of painting the frustum part of the lamp \(=\) \(₹\)
 
[Note: Round off the cost to the whole number.]
Reference:
Image by Jazella from Pixabay