What else would need to be congruent to show that

Angle B = Angle E

Explanation: ASA stands for angle, side, angle. This means for these two triangles to be equal, they must have two congruent angles and one congruent side. In the diagram, a side and an angle are congruent. Therefore, in order for the statement to be true (Triange ABC = Triangle DEF), another angle must be congruent. Hope this helps :)

Cthe residual plot for model 1 has a non random pattern and is a good fit for the data