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CDS Model Paper 1 Mathematics
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© examsnet.com
Question : 55
Total: 100
In the figure below, the radius of the bigger circle is
(
√
2
+
1
)
cm and the radius of all the smaller circles are equal. Each of the smaller circles touches two of the other three smaller circles and the larger circle as shown. Find the area (in
cm
2
) of the shaded portion.
2
−
π
2
1
π
4
Cannot to determined
Validate
Solution:
If the radius of smaller circle is 1 unit, then the radius of the bigger circle is
√
2
+
1
units.
So, the answer in this case would be the area of square
A
B
C
D
−
4
quadrants of the smaller circle.
=
4
−
π
© examsnet.com
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