# Let ∠1∠1, ∠2∠2, and ∠3∠3 have the following relationships. ∠1∠1 and ∠2∠2 are acute vertical angles. ∠3∠3 is an obtuse angle adjacent to both ∠1∠1 and ∠2∠2. What is the sum of the measure of ∠1∠1 and the measure of ∠3∠3?

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