316,338 views
27 votes
27 votes
What is the missing reason in the proof?

Given: ∠ABC is a right angle, ∠DBC is a straight angle
Prove: ∠ABC ≅ ∠ABD

User John Meagher
by
2.4k points

1 Answer

14 votes
14 votes

Answer: Since they have the some points in common we can just plot them and seeing ang. DBC would just be a straight line and angle ABC would be 90 degrees and half of that angle so they would be equal

User Amit Agrawal
by
2.8k points
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