Math, asked by avb05, 1 year ago

Find the length and breadth if length is 5 more than breadth and perimeter is 40

Answers

Answered by waqarsd
1
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Answered by nani3214
0

let us assume

the breath =x

then lenght =x+5

perimeter of rectangle=40

2(l+b). =40

2[(x+5)+x]=40

2(2x+5)=40

4x+10=40

2(x+5)=40

x+5=20

x=15

The breadth=15 and length=15+5=20


nani3214: sorry 2(2x+5)=40; 2x+5=20;2x=15;x=7.5
nani3214: breadth=7.5;length=12.5
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