AB ⟂ BC; AD ⟂ CD; AB = 3; AD = 4; CD = 5; BC = x = ?
- A. $4\sqrt{2}$
- B. $3\sqrt{2}$
- C. $5\sqrt{2}$
- D. $6\sqrt{2}$
Javob: $4\sqrt{2}$
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