DEK=2*DEF => DEK=2*43=86 градусов
EFD= 180-(FDE+DEF)
FDE=(180-86):2=47
EFD= 90
KF= DK/2= 16/2=8
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DEK=2*DEF => DEK=2*43=86 градусов
EFD= 180-(FDE+DEF)
FDE=(180-86):2=47
EFD= 90
KF= DK/2= 16/2=8