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Area and Perimeter Practice Test 3
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© examsnet.com
Question : 10
Total: 40
The perimeter of a square and a rectangle is the same. If the rectangle is 12 cm by 10 cm, then by what percentage is the area of the square more than that of the rectangle?
5
6
%
1
1
6
%
1
5
6
%
None of these
Validate
Solution:
Perimeter of the rectangle = 2(12 + 10) = 44 cm
Hence, side of the square =
44
4
= 11 cm
Area of the square =
(
11
)
2
= 121
c
m
2
Area of the rectangle = 12 × 10 = 120
c
m
2
Required percentage =
121
−
120
120
×
100
=
100
120
=
5
6
%
© examsnet.com
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