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Mathematics, 29.10.2020 01:10 jontonbon

14. There is something wrong with this definition for a pair of vertical angles: "If AB and CD intersect at point P, then APC and BPD are a pair of vertical angles." Sketch a counterexample to show why it is not correct . Add a phrase to correct the definition.

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14. There is something wrong with this definition for a pair of vertical angles: "If AB and CD inter...
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