Rectangle - sides ratio

Calculate the area of a rectangle whose sides are in ratio 9:14 and perimeter is 388.

Correct answer:

S =  8964.3

Step-by-step explanation:

a:b=9:14 o=388  o=2(a+b) = 2(9 x + 14 x)  x=2 9+2 14o=2 9+2 14388=23194=823108.4348  a=9 x=9 23194=239 194=23174675.913 b=14 x=14 23194=2314 194=232716118.087  S=a b=231746 232716=23 231746 2716=52947421368964.3403   Verifying Solution:   o2=2 (a+b)=2 (231746+232716)=388 r2=a:b=231746:232716=231746:232716=231746 271623=23 27161746 23=6246840158=1490.6429=9:14

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