What is the measure of angle F?
A. 75
B. 65
C. 55
D. cannot be determined
![What is the measure of angle F A 75 B 65 C 55 D cannot be determined class=](https://us-static.z-dn.net/files/de9/02de8dc8a1f7b90cc096e114fc1b7179.jpg)
twin sides stemming from a common vertex, make twin angles, since the HG = HF, then ∡G = ∡F.