The diagram shows a portion of a wooden support for the roof of a house. A construction worker says that ∠BDA measures 30° more than ∠DAC. Is the worker correct? Use angle relationships and equations to justify your answer.

The diagram shows a portion of a wooden support for the roof of a house A construction worker says that BDA measures 30 more than DAC Is the worker correct Use class=
The diagram shows a portion of a wooden support for the roof of a house A construction worker says that BDA measures 30 more than DAC Is the worker correct Use class=