Объяснение:
Δ LKN ,cos30=KN/LN , √3/2=√3/LN , LN=2.
ΔMLN, cos45=LN/MN ,√2/2=2/MN , MN= , MN=2√2
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Объяснение:
Δ LKN ,cos30=KN/LN , √3/2=√3/LN , LN=2.
ΔMLN, cos45=LN/MN ,√2/2=2/MN , MN= , MN=2√2