please help in 9th question
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let breath be x
and length be x+4
2(×+4+×)=84
2×+4=42
x=38/2
×=19m
x+4=23m
and length be x+4
2(×+4+×)=84
2×+4=42
x=38/2
×=19m
x+4=23m
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