the length of rectangle is 6 cm more than its breadth. if the perimeter of rectangle is 84cms . then find the length and breadth of the rectangle and also find its perimeter
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l=b+6
P=2(I+b)
84=2(b +6+b)
84=2(2b+6)
84=4b+12
84-12=4b
72=4b,b=72/4=18
b = 18,i =b+6=I8 +6=24
I=24 cms,b=18 cms
Perimeter=2(24+18)=84cms
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