CHAPTER 3 1.
Name a line parallel to line BC.
B
С
A
Name a line perpendicular to line BC.
D
-.
C
E
H
. Name a line skew to line BC.

Subtracting is the opposite of adding

“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 .