9514 1404 393
Answer:
40°
Step-by-step explanation:
Since DP is an angle bisector, the angles it creates are congruent:
∠1 = ∠2 = 20°
The requested angle is the sum of the measures of angles 1 and 2:
∠FDE = ∠1 + ∠2 = 20° +20°
∠FDE = 40°
