prosze o rozwiazaniie zadan w załaczniku
zad.7
C. 6cm
zad.8
r=a√3
3
a=6√3
p=(6√3)²·√3
4
p=27√3
zad.9
l=πd 1km=100000cm
l=50·22
7 100000 × 7 = 636
l=1100 1 1100
7
zad.10
ob=12+12+2+4+2√3+2√6
ob=30+2√3+2√6
p=½(12+12+2+2√3)·2√3
p=½16+2√3·2√3
p=√72
p=6√2
zad11
nie wiem
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zad.7
C. 6cm
zad.8
r=a√3
3
a=6√3
p=(6√3)²·√3
4
p=27√3
zad.9
l=πd 1km=100000cm
l=50·22
7 100000 × 7 = 636
l=1100 1 1100
7
zad.10
ob=12+12+2+4+2√3+2√6
ob=30+2√3+2√6
p=½(12+12+2+2√3)·2√3
p=½16+2√3·2√3
p=√72
p=6√2
zad11
nie wiem