from a circular sheet of radius 5 cm,a circle of radius 2cm is cut off .find the area of the remaining sheet .take π =3.14
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Answered by
6
area of circular sheet=(3.14*25) -----(1)
" " cut off Circle=(3.14*4) ------(2)
therefore, remaining area=(2)-(1)
=>(3.14*25)-(3.14*4)
=>3.14(25-4)
=>3.14(21)
=>65.94
" " cut off Circle=(3.14*4) ------(2)
therefore, remaining area=(2)-(1)
=>(3.14*25)-(3.14*4)
=>3.14(25-4)
=>3.14(21)
=>65.94
Answered by
5
area of the sheet=3.14*5^ =78.5
area of the cut off circle=3.14*2^ =12.56
ans= 78.5-12.56 =65.94
area of the cut off circle=3.14*2^ =12.56
ans= 78.5-12.56 =65.94
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