Answers

2016-02-21T22:42:04+05:30
Let the breadth be x Then length is x+10 Given, perimeter is 80m Perimeter=2×(l+b) 80=2×(x+10+x) 80/2= 2x+10 40-10 = 2x 30 = 2x x = 15 Therefore..breadth is 15m Length is x+10 = 15 + 10 =25.
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2016-02-21T23:09:40+05:30
Length (l) = b + 10
perimeter of rectangle = 2(l+b) = 80 m
2(b+10 +b) = 80 m
4b + 20 = 80 m
4b = 60 m
b = 60/4 = 15 m
l = b + 10 = 15 + 10 = 25 m
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