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find the length and breadth of the rectangle whose perimeter is 120cm and length is twice the breadth
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Answers
Answered by
1
The length of the rectangle be l=2b
Breadth be b
It's perimeter=2 (l+b)=120cm
=>2 (2b+b)=120cm
=>3b=60cm
=>b=20cm
=>l=2b=40cm
Therefore length is 40cm and breadth is 20cm
Hope it was helpful.
Plz mark as brainliest.
Breadth be b
It's perimeter=2 (l+b)=120cm
=>2 (2b+b)=120cm
=>3b=60cm
=>b=20cm
=>l=2b=40cm
Therefore length is 40cm and breadth is 20cm
Hope it was helpful.
Plz mark as brainliest.
Answered by
1
eassssy let breadth be ,x
then according to question length is ,2x
2(l+b)=120
2(2x+x)=120
2(3x)=120
6x=120
x=20
breadth=20cm
length=20×2=40cm
then according to question length is ,2x
2(l+b)=120
2(2x+x)=120
2(3x)=120
6x=120
x=20
breadth=20cm
length=20×2=40cm
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