the point where two lines meet, sometimes called a corner
an angle that makes a square corner like the letter L
an exact position, used to show an exact number on a line
a part of a line with two endpoints
an angle that is open LESS than a right angle
a set of points that is endless in both directions; the arrows represent that it continues to infinity
lines that cross at one point
lines that NEVER cross, run side by side
a part of a line with one endpoint, then an arrow on the other side
an angle that is open MORE than a right angle
two rays with the same endpoint
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