Find the median.

2, 20, 19, 15, 11, 9, 7, 1

1,2,7,9,11,15,19,20

9+11=20

20/2

10.5 is going to be the answer

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .