Answer:
The most basic fact about triangles is that all the angles add up to a total of 180 degrees. The angle between the sides can be anything from greater than 0 to less than 180 degrees. The angles can't be 0 or 180 degrees, because the triangles would become straight lines.
Step-by-step explanation:
basic only
Answer:
a
Step-by-step explanation:
imma go with my gut and say b :?
the probaility of selecting a green shirt
Any set of 3 points is "coplanar".