
The required additional information required to prove the Triangles congruent are :

The Triangles will be congruent by HL congruency.

The Triangles are congruent by LL congruency.

The Triangles are congruent by HA congruency.

The Triangles are congruent by LA congruency.
Answer:
Yes she has enough money. She would have $3.42 left over.
Supplementary angles sum to 180 degree
Let one angle be x
Then the other angle is x+80
Summing the 2 angle gives
x+x+80=180
2x+80=180
2x=180-80
X=50
Thus the angles are 50 degree and 50+80= 130 degree