Line knowledge
part of a line that has one endpoint and extends indefinitely in one direction.
ray
an angle that exactly measures 90 degrees
right angle
a curved shape with all points equidistant from the center; has a measure of 360 degrees
circle
a triangle with a 90 angle
Right Triangle
a point that is in the middle of a line segment
midpoint
an angle that measures 180 degrees
straight angle
half a circle; has a measure of 180 degrees.
Semicircle
a triangle with equal sides and angles
Equilateral Triangle-
geometric figure that divides the line segment exactly in half.
Segment bisector
two angles that share the same vertex
Adjacent Angles
the distance from the center of a circle to any point on the circle
radius
a triangle with no equal sides
Scalene Triangle-
lines that intersect to form right, or 90 degree angles
Perpendicular lines
a line or segment that splits an angle into two congruent parts
Angle Bisector
what is pie equal to?
3.14
a three sided shape with the a sum of 180 degrees
Triangle-
two-dimensional surface that extends up to infinity
plane
lines or segments that do not cross
Parallel
a segment going through the center of a circle that has endpoints; twice the length of the radius
diameter
the side of a right triangle
Hypotenuse-