The measure of ∠1 is 70 degrees, the measure of ∠2 is 110 degrees, and the measure of ∠3 is 50 degrees.
Detailed Solution
If your answer does not match our answer,
- did you determine that ∠1 is congruent to ∠DBA?
- how are ∠2 and ∠DBA related?
If your answer does match ours,
- did you also find the measure of ∠3?
- have you carefully explained each step that you took?
- are there any hints that you would give another student?
- did you make any mistakes along the way? If so, how did you find them?