The length of a rectangular field exceeds its breadth by 5 m. If the perimeter of the field is 142 m, find the dimensions of the field.
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Answer:
Given that
l=b+5
⇒2(l+b)=142
⇒2(b+5+b)=142
⇒b+5+b=71
⇒2b+5=71
⇒2b=66
⇒b=33cm
⇒l=33+5=38cm
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