The length of a rectangle is 1cm more than two times its breadth its perimeter is 80cm what is the length
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Answered by
3
2b+1= l
as 2l +2b = 80
2l + l -1 = 80
3l = 81
l= 27
as 2l +2b = 80
2l + l -1 = 80
3l = 81
l= 27
Answered by
6
let breadth=x
lenght =2x+1
perimetre of recrangle 2(l+b)
80=2(2x+1+x)
40=3x+1
39=3x
x=13
breadth =13
lenght=2* 13+1=27
lenght =2x+1
perimetre of recrangle 2(l+b)
80=2(2x+1+x)
40=3x+1
39=3x
x=13
breadth =13
lenght=2* 13+1=27
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