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2010-02-26T12:53:51+01:00
Sin45=8:AC
√2/2=8:AC
AC=8√2
cos45=AD:AC
√2/2=AD:8√2
AD=8
sin60=8:CB
√3/2=8:CB
CB=16√3/3
cos60=DB:CB
½=DB:16√3/3
DB=8√3/3
AB=AD+DB
AB=8+8√3/3
L=AB+CB+AC
L=8+8√3/3+16√3/3+8√2
L=8+8√3+8√2
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