A path runs around a circular grass field with uniform width of 2 meters outside it.If the circumference of the field be 2pi m,then the area of the path (taking pi=3.14) is
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The answer is 8π or 25.84
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circunmfernce of the field :-2pie m
2pie r:-2pie m
r:-1m
R:-2plus 1m :-3m
area of path:-pie(R^2 - r^2)
:-3.14(3^2 -1^2)
:-3.14(9 -1)
:-3.14 *8
:-25.12 m square
2pie r:-2pie m
r:-1m
R:-2plus 1m :-3m
area of path:-pie(R^2 - r^2)
:-3.14(3^2 -1^2)
:-3.14(9 -1)
:-3.14 *8
:-25.12 m square
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