Angles
What is the name of an angle that measures exactly 90 degrees?
Right Angle
What can you draw to represent an exact location?
A Point
Draw acute angle EFG, and name it!
<EFG
Define a line segment.
A line with two end points, and has no thickness.
True or false: A line has thickness.
False
What is the name of the angle that measures less than 90 degrees?
Acute Angle
What is the name of the geometric term of a line that goes on forever in both directions?
Line
Draw obtuse angle IJK, and name it!
<IJK
Define a line.
A line goes on forever in both direction, and has no thickness.
True or false: A point is infinitely small.
True
What is the name of the angle that measures more than 90 degrees but less than 180 degrees?
Obtuse Angle
What is the name of the geometric term that has one starting point and goes on forever in one direction?
Ray
Draw straight angle XYZ, and name it!
<XYZ
Define a Ray.
Two rays sharing the same endpoint.
What is something that all right angles must have when properly writing down their notation?
What is the name of the angle that measures exactly 180 degrees?
Straight Angle
What is a collection of points called?
Figure
Draw right angle PLC, and name it!
<PLC
There is also a square in the vertex!
Define Vertex
A point where two lines meet, line in an angle or corner
What is the relationship between lines, line segments, and rays?
A line includes both a line segment and a ray!
What is the name of the angle that measures more than 180 degrees?
Reflex Angle
What is the term for using the body to show geometry?
Physiometry
Draw and name Ray EF
__>
EF
Define Arc
a small bump, portion of a circle, or a curve!
True or False: A line segment shows direction.
False