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burundu4ok031
@burundu4ok031
August 2022
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Simba2017
Verified answer
KD=a; KN=c
a=c*cos30; c=a/cos30
DN=2-a
2-a=c*cos60; c=(2-a)/cos60
приравняю правые части с
a/cos30=(2-a)/cos60
a=2√3/(1+√3)≈1.26
c=(2-1.26)*2=1.46
P=4c=1.46*4=5.85
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Answers & Comments
Verified answer
KD=a; KN=ca=c*cos30; c=a/cos30
DN=2-a
2-a=c*cos60; c=(2-a)/cos60
приравняю правые части с
a/cos30=(2-a)/cos60
a=2√3/(1+√3)≈1.26
c=(2-1.26)*2=1.46
P=4c=1.46*4=5.85