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Byju's Answer
Standard VII
Mathematics
Area of Circle
A circle of c...
Question
A circle of circumference
88
c
m
is cut out of a square sheet of paper of side
30
c
m
. What is the area of the paper left?
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Solution
Circumference
=
88
c
m
2
π
r
=
88
r
=
88
×
7
22
×
2
r
=
14
c
m
Area of circle
=
π
r
2
=
22
7
×
14
2
=
616
c
m
2
Area of sheet
=
30
×
30
=
900
Remaining area
=
900
−
616
=
284
c
m
2
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