Answer:
D
Step-by-step explanation:
A: Acute Angle
B: Right angle
C: A 180 degree angle is called a Straight Angle, not an obtuse angle.
D: NPQ is obtuse angle! :)
E: Another Straight Angle.
F: Acute Angle.
G: Right Angle.
H: The Angle is NPQ, not NQP. Notice the points N and P don't connect.
