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The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is
A) \( \Large 2520 m^{2} \)
B) \( \Large 2480 m^{2} \)
C) \( \Large 2420 m^{2} \)
D) None of the above
Correct answer:
A) \( \Large 2520 m^{2} \)
Description for Correct answer:
Let the length of rectangle = L m
Breadth of rectangle = B m
using conditions from the question,
L - B = 23 ....(i)
2(L + B) = 206
L + B = 103 ....(ii)
On adding Eqs. (i) and (ii), we get
2L = 126
=> L = 63 m
=> B = 103-63=40m
Then, area of rectangle = \( \Large L\times B \)
= \( \Large 63\times 40 \)
= \( \Large 2520 m^{2} \)
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