please answer the question
explain properly
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Answer:
use the forumlae for area of cylinder and multiply the answer to the cost price
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1
Answer:
Area of outer part =2πrh
A1=2×22/7×3/2×12=792/7
AREA OF Inner part =2πrh
A2=2×22/7×1×12=528/7
Total Area=A1+A2
=792/7+528/7
=1320/7=188.57
Cost of painting=(188.57×7=1319.99)
so total cost of painting is (188.57×7
=1319.99)=1320
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I hope you are helpful
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