Concept explainers
Postulate, Property, definition or theorem that justifies the statement.
Answer to Problem 9CR
Principle perpendicular bisector.
Explanation of Solution
Given:
According to principle of perpendicular bisector when a perpendicular is drawn on any line then it bisects the line into two equal part.
Here, when a perpendicular is drawn o line
Therefore, here principle of perpendicular bisector is used.
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