Answer:
Addition
Step-by-step explanation:
Answer:
143
Step-by-step explanation:
90-53=37
180-37=143
Answer:
m<F = 80 degrees
Step-by-step explanation:
Since line DF and line FE are congruent you know that the triangle is isosceles so you know that <D and <E are equal.
50+50=100
180-100=80
Answer:
This question is incomplete