A cylindrical stool has a base of diameter 70 cm and height 25 cm. Find the cost of painting 50
such stools ,
if the cost per m² is Rs. 55.
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Step-by-step explanation:
Total Surface area of one stool = 2 pie r(h + r)
= 44/7 x 35 x 60 cm^2
= 13200 cm^2
= 1.3200 m^2
Now cost of painting 50 such tools = rs 1.3200 x 50
= rs 66
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