Given that angle ABC is equal to 10 X +40 and angle DBC is equal to 3X +10 what is the measure of angle ABD
2 answers:
Answer:
second option
Step-by-step explanation:
(10x + 40) - (3x + 10)
10x + 40 - 3x - 10
7x + 30
7x+30 is the correct answer to your question
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