Sправ..тр.=a²√3/4 64=a²√3/4 a²√3=64•4 a²=64•4/√3 a=8•2/∜3=16/∜3 2) P=3a P=48/∜3
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Sправ..тр.=a²√3/4
64=a²√3/4
a²√3=64•4
a²=64•4/√3
a=8•2/∜3=16/∜3
2) P=3a
P=48/∜3