Question

помогите, плиззззз

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Answer 1

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

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