Answer:
A I think im fairly certain
Step-by-step explanation:
As I've shown on picture that I attached:
∠ADC=∠ADB+∠BDC⇒134=5x+4+7x-2
12x+2=134
12x=132⇒x=132/12
x=11
Angle BDC measure 7x-2=7*11-2⇒∠BDC=75.
Answer:
01–78
Step-by-step explanation:
Edge 2020/2021
Answer: 62
Explanation: It's an equilateral triangle