Answer:
½a - 4 = ? ( a - ?)
1a - 8 = -7a ( a - ?)
= ( a- 7a)
= ( -6a)
SSS
Step-by-step explanation:
the dividing line would give the triangles the same length for one side, the side it divided, and then it says the triangles are congruent, meaning they are both the same triangle.
The answer is m=2k+2.
