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AZ ROC B B-3 CR-61 General Residential, Remodeling And Carpentry Practice Questions - Arizona ROC B B-3 CR-61 General Residential, Remodeling And Carpentry Examination Exam

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When setting up batter boards to lay out a rectangular foundation using the 3-4-5 right triangle method, if one leg measured along the building line is 12 feet and the perpendicular leg is 16 feet, what must the diagonal distance measure to ensure a true 90-degree corner?
Correct Answer:
20 feet

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