An open cylindrical oil tank has diameter 14m and hieght 9m. If the inner side of the tank has to be painted all over, what will it cost at Rs40 per square metre?
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Answer:
5040
Step-by-step explanation:
area=14 multiplied by 9
area=126m2
per square meter is 40 rupees so:
126 multiplied by 40= rupees 5040
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