It is called a "tie" (like what you do to your shoe laces).
Chat with our AI personalities
vertex the line that connects 2 vertexes is an edge
No because that is its radius
The one that forms a parabola (a hump, sort of) is called the quadratic expression or quadratic formula.
It is: y = 2 which is straight horizontal line with no slope that connects (-1, 2) to (5,2)
The segments of a square are perpendicular. Take the letter " T " for example. Where the bottom line connects the the top line forms a 90 degree angle, which makes them two lines perpendicular.