Question

The figure below shows a square ABCD and an equilateral triangle DPC.
Ted makes the chart shown below to prove that triangle APD is congruent to triangle BPC.

Answer 1

What is the error in Ted’s proof?

He writes the measure of angles ADP and BCP as 60° instead of 45°.

He uses the SAS postulate instead of AAS postulate to prove the triangles congruent.

He writes the measure of angles ADP and BCP as 60° instead of 30°.

He uses the SAS postulate instead of SSS postulate to prove the triangles congruent.

Answer 2

help plz