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ODP. 180cm³
ODP. 180cm³
α=30°
V=a²h
Pc=2a²+4ah
sin30°=h/10
1/2=h/10
h=5cm
cos30°=d/10
√3/2=d/10
d=5√3cm
d=a√2
5√3=a√2
a=5√3:√2=5√6/2
V=(5√6/2)²5=37,5*5=187,5cm³
Pc=2*37,5+4*5√6/2*5=75+50√6cm²