A well of diameter 150 cm has a 30 CM wide parpet running around it.find the area of the parpet.
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Answer:
2475*pi
Step-by-step explanation:
Area of well = \pi{r square}
= 5625*pi
radius of parapet and well = 90cm
Area of well + parapet = 8100*pi
area of parapet = 8100*pi - 5625*pi
= 2475*pi
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