Name it!
What do we use to label a point?
one capital letter (uppercase letter)
two lines that will never intersect
parallel
a polygon with 3 sides and 3 angles
triangle
an angle that is 90 degrees
right angle
Draw line AB
teacher will check (two points labeled A and B on a line with arrows at each end and NO endpoints)
a straight path that goes on forever in two directions
line
two lines that intersect and make a right angle
perpendicular
a polygon with 8 sides and 8 angles
octagon
an angle that is less than 90 degrees
acute
Draw line segment AB
teacher will check (two endpoints labeled A and B connected)
a straight path with two endpoints
line segment
two lines that meet at one point
intersecting
a polygon with 5 sides and 5 angles
pentagon
an angle that is more than 90 degrees and less than a straight angle
obtuse
Draw ray AB
teacher will check (one endpoint labeled A with one point labeled B and one arrow)
a straight path with one endpoint that goes on forever in one direction
ray
How many letters it takes to name a ray, line, or line segment
2
a polygon with 6 sides and 6 angles
hexagon
an angle that is 180 degrees
straight
two parallel line SEGMENTS
teacher will check (two endpoints on each)
When two lines, line segments, or rays intersect at one point, they create an _______________.
angle
3
any polygon with 4 sides and 4 angles
quadrangle or quadrilateral
A full circle is how many degrees?
360 degrees
two perpendicular LINES
two lines with arrows that meet to form a right angle