The 3 inside angles need to equal 180.
Subtract E from 180 to find the sum of the other two angles:
180 - 104 = 76
Now because EF ≅ DE , angle D and F would be the same so divide 76 by 2
Angle D = 38
Ok -13*-8 is 104.
-8*18q is 144q.
Combine an you get:
144q+104
Answer:
RAGE
Step-by-step explanation:
