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d=a√3
d=10√3cm
2)
d=a√3
3)
d=a√3
1m=a√3 /:√3
a=1/√3m /×√3
a=√3/3
V=a³
V=(√3/3)³
V=3√3/9m³
4)
p=a√3
a=p√3/3
P=6a²
P=6×(p√3/3)²
P=2p²