The perimeter and area of a rectangle are 28mts,40m square respectively,then its length is
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2(l+b)=28
lb=40
l+b=14. -------------- (1)
lb=40
l=40b. -----------------(2)
put the value of eq. 2 in eq.1
40/b+b=14b
b= 20/7
l= 40/b
l=14 m
lb=40
l+b=14. -------------- (1)
lb=40
l=40b. -----------------(2)
put the value of eq. 2 in eq.1
40/b+b=14b
b= 20/7
l= 40/b
l=14 m
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