# Floor

Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width?

Result

b =  3.2 m

#### Solution:

$o=17.2 \ \text{m} \ \\ a=5.4 \ \text{m} \ \\ \ \\ o=2(a+b) \ \\ \ \\ b=o/2 - a=17.2/2 - 5.4=\dfrac{ 16 }{ 5 }=3.2 \ \text{m}$

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