the surface of a cylindrical pillar with radius 32 cm and height 3.5 M is to be painted find the cost of painting @ rupees 0.25 per CM square
the surface of a cylindrical pillar with radius 32 cm and height 3.5 M is to be painted find the cost of painting @ rupees 0.25 per CM square
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Height of pillar =3.5m = 350 cm
Curved Surface Area of pillar = 2 pi *r *h
= 2 * 22* 32*350/ 7
= 44 *32 * 50 cm^2
Cost = CSA of pillar * Rate
Cost = 44*32*50*25/100
Cost = 22*32*25
Cost =Rs. 17600
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