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Answer:
Step-by-step explanation:
A) Choose an example where P is obtuse. For example [tex]\angle P=110^{\circ}, \angle Q=\angle R=35^{\circ}[/tex]
B) [tex]\angle 1=\angle 2=45^{\circ}[/tex]
C) Length = 20, width = 5.
D) [tex]\angle ABC=23^{\circ}, \angle CBD=11^{\circ}[/tex] is a possible combination.