• anonymous
What is the error in Nick’s proof? He uses the SAS postulate instead of AAS postulate to prove the triangles congruent. He assumes that AP = PB because P is the vertex of the equilateral triangle. He uses the SAS postulate instead of SSS postulate to prove the triangles congruent. He writes the measure of angles ADP and BCP as 30° instead of 45°.
Mathematics

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