What is the measure of angle HPF?
80
40
50
60

Answer:
∠ HPF = 40°
Step-by-step explanation:
∠ HPF is calculated as half the difference of the intercepted arcs, that is
∠ HPF = 0.5(arc EG - arc FH) = 0.5(100 - 20)° = 0.5(80)° = 40°