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45 votes
What part of the protractor do you line up with the vertex? zero line top of the protractor center mark degree line

User Priyadarshan
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1 Answer

23 votes
23 votes

Answer:

Place the "center point" (at the bottom of this protractor) on the vertex of the angle. 2. Line up one ray (side) of the angle with the zero degree mark of the protractor.

Explanation:

User Michael Sheely
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2.7k points