Answer:
abc-fed
Step-by-step explanation:
First, compare the two triangles:
-<em>we can see the two triangles contain very similar details.</em>
Look at A and see what angle is similar on the other:
-<em>it's F</em>
Now, we know that the triangle is going to start with F, meaning we can cross out the first 3 options from our list and make option 4 our answer.
hope this helps :)