BD bisects ∠ABC which means ∠ABD = ∠DBC
So:
3x - 1 = 34 - 2x
Solve:
5x - 1 = 34
5x = 35
x = 7
We want to know m∠ABD, so solve
3x - 1 for x = 7,
3(7) - 1 = 21 - 1 = 20
So the answer is 20 degrees.
Answer:
Step-by-step explanation:
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