Answer:
0 and - 13/15
Step-by-step explanation:
Answer:
x=5.9
Step-by-step explanation:
Exterior Angles Theorem is used.
The exterior angle of a triangle is equal to the 2 opposite interior angles.
Therefore, 65+78=143°, since 65 and 78 are the 2 opposite interior angles.
So, the answer is 143°