jocelynm0611
03.05.2020 •
Mathematics
Find the m
A)50 degrees
B)60 degrees
C)70 degrees
D)80degrees
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Ответ:
Step-by-step explanation:
∠DEC + ∠EDC + ∠ECD = 180 {angle sum property of triangle}
45 + 65 + ∠ECD = 180
110 +∠ECD = 180
∠ECD = 180 - 110
∠ECD = 70°
AB // CD and AE transversal
∠BAC = ∠ECD {Corresponding angles are equal}
∠BAC = 70°
Ответ:
5/6 divided by 2
these answers make the most sense to me
but you can correct me if i’m incorrect.