Question

A tin of paint covers a surface area of 70m2.
Each tin costs £4.30.
The entire surface of a solid cylindrical rod with diameter 7m and height 11m needs to be painted.
Find the minimum cost of painting the rod

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Answer 1

Answer:

थे मै अपने घर पर कोई नहीं था लेकिन आज भी हमारे साथ नहीं कि yt you