Answer:
see explanation
Step-by-step explanation:
Point A is the Incentre of the triangle
This is the point where the 3 angle bisectors intersect
The incentre is equally far away from the triangle's 3 sides , then
AM = AL = 6
Answer:

Step-by-step explanation:

The SSS or Side-Side-Side postulate works. (if three sides of one triangle are congruent to three sides of another triangle, they are congruent.)
The SAS or Side-Angle-Side theorem also works...as well as the hypotenuse leg theorem..