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Voronessa

А) : Чертеж : с : дано : в : прекрепе \</p><p>Найти: : S \ \</p><p>Решение: \</p><p> frac{17.5}{35}   =  frac{x}{100}  \ x =  frac{1750}{35}  = 50 \ S=50times17,5 = 875 :  {см}^{2}  \  \

Б) 77% от 88,08

 frac{88.08}{100}  =  frac{x}{77}  \  frac{8808}{10000}  =  frac{x}{77} \   x =  frac{8808 times 77}{10000}  = 67.8216

[Прикреп 2: доказательство, что решение верное (100-77=23%)]

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