Answer:
A: Southeast
B: Northwest
C: Southwest
D: Northeast
Step-by-step explanation:

Explanation:
The triangle is right angled.
The formula for area of the triangle:

base = 3
height = 4
substitute the values:
Answer:

Step-by-step explanation:
It could also be 
depending on how the problem is actually set up.
The interior of a triangle = 180°
So 180° - 85° -50° = 45°
c. 45 degrees