Points, Lines, Planes
an exact location in space
What is a point?
a part of a line with 2 endpoints
What is a line segment?
a shape with 3 sides
What is a triangle?
an angle measuring exactly 90 degrees
What is a right angle?
a pair of lines that never intersect
What is parallel lines?
a part of a line that has one endpoint and continues on forever in one direction
What is a ray?
a shape with 5 sides
What is a pentagon?
an angle measuring exactly 180 degrees
What is a straight angle?
an endless flat surface
What is a plane?
continues on forever in both directions
What is a line?
a shape with 6 sides
What is a hexagon?
an angle measuring between 0 and 90 degrees
What is a acute angle?
a set of lines that cross at right angles
What is Perpendicular lines
a place where two lines, rays or line segments meet
What is a vertex?
a shape with 8 sides
What is a octagon?
an angle that measures between 90 and 180 degrees
What is a obtuse angle?
a pair of lines that pass through the same point with no right angles
What is intersecting lines?
when cut in half, if both halves are the same we say it has this
What is symmetry?
what shape has 1 side and no vertices
What is a circle or oval?
an angle that measures more than 180 degrees but less than 360 degrees
What is a reflex angle?