BN/sinK=BK/sinN
BK=BN*sin30°/sin90°=8*0,5/1=4см
АК/sinB=BK/sinA
AK=BK*sin30°/sin60°=4*0,5/√3/2=2/√3/2=√3
Надеюсь правильно
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BN/sinK=BK/sinN
BK=BN*sin30°/sin90°=8*0,5/1=4см
АК/sinB=BK/sinA
AK=BK*sin30°/sin60°=4*0,5/√3/2=2/√3/2=√3
Надеюсь правильно