A side view of a house shown outlines the siding highlighted by the isosceles AABC with base angles A and C. The homeowner is trying to determine the vertex angle of his home. If MZBAC = (7x + 1) ° and mZBC A = (5x + 9) °, what is the measure of the vertex angle? Show your work to support your answer.

Q: H 02 0, L

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