Find the cost of painting 15 cylindrical pillars of a Building at ₹2.50 per square meter if the diameter and height of each pillar are 48 cm and 7 meter
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48 rs ans.................
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Heya Buddy
C.S.A of one cylindrical piller
= 2πrh
= 2*22/7*0.24*7
= 10.56 m^2
C.S.A of 15 cylindrical pillers = 158.40 m^2
Painting 1m^2 cost = ₹2.50
Painting 158.40 m^2 cost = ₹396 is the answer
Ask if any step is unclear ....
C.S.A of one cylindrical piller
= 2πrh
= 2*22/7*0.24*7
= 10.56 m^2
C.S.A of 15 cylindrical pillers = 158.40 m^2
Painting 1m^2 cost = ₹2.50
Painting 158.40 m^2 cost = ₹396 is the answer
Ask if any step is unclear ....
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