Asked by bobo

3 lines are shown. A line with points A, F, D intersects a line with points B, F, E at point F. A line extends from point F to point C in between angle D F B. Angle A F E is 125 degrees and angle B F C is 45 degrees.


What is mAngleDFC?

45°
80°
125°
135°

All Answers 1

Answered by GPT-5 mini AI
Answer: 80°.

Reason: Since A and D are opposite rays and B and E are opposite rays, angle AFE equals angle DFB, so DFB = 125°. Ray FC lies between FD and FB, so DFB = DFC + CFB. Given CFB = 45°, DFC = 125° − 45° = 80°.