find the cost of painting for cylindrical pillars of a school building at 25 per square metre if the diameter and height of each pillar are 7 and 12 respectively
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Answer:
RS 23100
Step-by-step explanation:
surface area of cylinder =2πRH
R=3.5M
H=12M
2*22/7*3.5*3.5*12
22*3.5*12
22*42
924M²
924*25
RS 23100
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