Question

A solid object in the shape of a double cone is traced by rotating a right-angled triangle of smaller sides 12 cm and 5 cm about the hypotenuse of the triangle. Find the cost (to the nearest rupee) of painting it's surface at the rate of Rupees 3.50 per cm ^2.


Please answer ! It's a request to all the users specially to the Maths Aryabhata and @rvchaudhary Plsss urgent help!!
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Answer 1

please mark brainlist please