Oblicz miary kątów trójkąta ABC. Jakby coś to zadanie 5/159 przykłada c.
2 gim?? jeśli tak to my to robiliśmy :
s- stopnie
k-kąt
180s-(70s+30s)=180s-100s=80s
80s;2=40s
180s-(40s+70s)=70s
180s-(40s+30s)=110s
110s:2=55s
55s-40s=15s
110s-40s=70s
70s:2=35s
k ABC=70S+60S=130S
K CAB=15S
K CBA=35S
PROSZĘ !
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2 gim?? jeśli tak to my to robiliśmy :
s- stopnie
k-kąt
180s-(70s+30s)=180s-100s=80s
80s;2=40s
180s-(40s+70s)=70s
180s-(40s+30s)=110s
110s:2=55s
55s-40s=15s
110s-40s=70s
70s:2=35s
k ABC=70S+60S=130S
K CAB=15S
K CBA=35S
PROSZĘ !