amauris77748
31.12.2019 •
Mathematics
In triangle abc,d is a point on side ac such that bd=dc and angle bcd measures 70 degrees. what is the measure if of angle adb?
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Ответ:
∡CDB=∡BCD=70°
The angles ∡ADB and ∡CDB are adjacent and suplementary angles
It means ∡ADB + ∡CDB = 180°
∡ADB = 180° - ∡CDB
∡ADB = 180° - 70°
∡ADB = 110°
Ответ:
1 - yes
2 - yes
3 - yes
4 - no
5 - yes
6 - no
7 - no
8 - yes
Step-by-step explanation:
im 99.9% im right