Answer:
x = 93
Step-by-step explanation:
The measure of a straight line is 180°. So,
x + 87 = 180
Subtract 87 from both sides.
x = 93
I hope this helps! Feel free to ask any questions!
So a median is the line segment joining one vertex to the midpoint of the opposite side. SO do that for all vertices, and see wehre they meet.
-15/-3 is the awnser hope i helped you