From a rectangle piece of metal sheet of length and breathe 1.60 metre and 80 centimeters respectively, 3circular sheet of 20radius are cut out. what area of metal left .use r 3.14
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since the area of metal left = area of rectangular sheet – 3(area of circular sheets)
i.e 1.60(.80) –3(3.14)(.04)
1.2800–.3768
.9032 m^2
i.e 1.60(.80) –3(3.14)(.04)
1.2800–.3768
.9032 m^2
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