Solution:
We are to determine the number of triangles ABC possible with the given parts.
a=24, b=20, A=46°
Note that there are only 3 ways of constructing a triangle. They are:
SAS - Side Angle Side.
ASA - Angle Side Angle.
SSS - Side Side Side.
The information given for the triangle does not conform to any of the three ways listed above. Thus,
No triangle can be formed with the given part.
The correct answer is 0.