Cecily. You must not laugh at me, darling, but it had always been a girlish dream of mine to love some one whose name was Ernest. [Algernon rises, Cecily also.] There

квадрат гипотенузы равен сумме квадратов катетов

обозначим гипотенузу за сторону a

a² = 8² + 14²

a² = 64 + 196 = 260

[tex]\displaystyle\tt a=\sqrt{260} =\sqrt{4\cdot 65} =2\sqrt{65}~cm[/tex]

ответ: a = 2√65

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