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10 Cards in this Set

  • Front
  • Back
line
a straight path that exetends forever.
line segment
a part of a line that includes 2 endpoints.
ray
a part of a line that begins at an endpoint and continues forever.
acute angle
an angle that measures less than 90 degrees.
obtuse angle
an angle that measures more than 90 degrees.
right angle
an angle that measures exactly 90 degrees.
parallel lines
lines that never meet.
intersecting lines
lines that do meet or will meet.
angle
a figure formed by 2 rays or 2 line segments that share a common endpoint.
vertex
the corner. Where 2 rays of an angle meet.