№ 6 C A 28° 620 10 ? 8 ? K 12 ΔΑΚΒ-ΔLKC по AK = 4=22

∠Α + ∠K + ∠B = 180°

28° + 90° + ∠B = 180°

∠B = 180° - 90° - 28° = 62°

ΔΑΚΒ ~ ΔLKC, тогда

AK/LC = BK/KC;

AK/22 = 8/12;

AK = (22 * 8) / 12 = 176 / 12 = 14,6666...

AK ≈ 14,67

Ответ: AK ≈ 14,67