Відповідь:
∠ABK = 90° - 60° = 30°
∠ABC = 90° - 30° = 60°
∠KBC = ∠ABC - ∠ABK = 60° - 30° = 30°
BK = 2 × AK = 2 × 6 = 12
KC = BK = 12
AC = AK + KC = 6 + 12 = 18
Пояснення:
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Відповідь:
∠ABK = 90° - 60° = 30°
∠ABC = 90° - 30° = 60°
∠KBC = ∠ABC - ∠ABK = 60° - 30° = 30°
BK = 2 × AK = 2 × 6 = 12
KC = BK = 12
AC = AK + KC = 6 + 12 = 18
Пояснення: