Question

70 БАЛЛОВ!!! СРОЧНО ХЭЛП!!!

Answer 1

$BC^{2} = AB^{2} + AC^{2} \\BC^{2} = 64^{2} + 11^{2} = 4217 \\BC^{2} = 4217\\BC = \sqrt{4217} =64\\BK = KC = AK = 64 : 2 = 32\\AK = 32$

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