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Mensuration Practice Test 9
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© examsnet.com
Question : 16
Total: 40
The ratio of the areas of the circumcircle and
the incircle of a square is:
2 : 1
1 : 2
√
2
:
1
1 :
√
2
Validate
Solution:
Let the radius of the circumcircle = R
Radius of the incircle = r
Let the side of a square = 4 cm
Diagonal of a square =
4
√
2
cm
R =
4
√
2
2
=
2
√
2
and r =
4
2
= 2 cm
Ratio of area of the circle
π
R
2
:
π
r
2
R
2
:
r
2
(
2
√
2
)
2
:
(
2
)
2
2 : 1
© examsnet.com
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