ANSWER
The triangle is real and it is an isosceles triangle.
The angles are: m
Step-by-step explanation
Step 1: Given:

Step 2: Determine m
For m

For m

Step 3: Determine the measure of m
Recall: Sum of interior angles of a triangle is 180 degrees

For m

For m

Hence, the triangle is real and it is an isosceles triangle; the angles are: m