Math, asked by snehalatarathod84, 10 months ago

hey uses please answer this question and explain it properly

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Answered by pushkarr812

1

Answer:

perimeter =2(l+b)

=2(X+10+X)=140

=2x+20+2x=140

=4x=140-20=120/4=30

length= 40

breadth =30

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