7.
D
40°
C
B
Yukarıdaki ABC üçgeni eşkenar üçgen olup,
m(ACD) = 40° dır.
Buna göre, (BDC) açısının ölçüsü kaç dere-
cedir?
A) 60
B) 80
C) 90
D) 100
10.
Y
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