Fie un cerc de raza de raza 18cm circumscris unui triunghi ABC dreptunghic A=90 grade . Determinati lungimea ipotenuzei BC.
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Explicatie:
Ipotenuza unui triunghi dreptunghic inscris in cerc = Diametrul cercului.
Rezolvare:
BC = D = 2R = 2 × R = 2 × 18 = 36 cm