a geometric element that has position but no extension
a straight path that extends without end in opposite directions
points that lie on the same line
points that do not lie on the same line
extend or spread outward from a center or focus or inward towards a center
The point at the segment or ray
an unbounded two-dimensional shape
coplanar lines that do not intersect
lines that cross at one point
Lines that intersect to form right angles
lines that lie in different planes. they are neither parallel or intersecting
a point that divides a segment into two congruent segments
Segments that have the same length
two rays with a common endpoint
The common endpoint of an angle
drafting instrument used to draw or measure angles
used to measure temperature, latitude, longitude, right ascsension, and declination
Angles that have the same measure
angles that measure 90 degrees
angles more than 90 degrees
angles that are less than 90 degrees
Two angles whose sum is 90 degrees
Two angles whose sum is 180 degrees
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