Two lines that intersect creating a right angle
|Right Angle|| |
An angle that measures 90 degrees
|Straight Angle||an angle that measures 180 degrees|
|Acute Angle|| |
An angle that measures LESS THAN 90 degrees
|Obtuse Angle|| |
An angle that measures MORE THAN 90 degrees but LESS THAN 180 degrees
The set of points formed by extending a line segment in one direction without end.
The set of all points formed by extending a line segment in both directions without end.
A set of all points fromt by two rays with a common endpoint.
|Parallel lines|| |
Two lines that DO NOT intersect
Flickr Creative Commons Images
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- "Perpendicular" image
- "Right Angle" image
- "Acute Angle" image
- "Obtuse Angle" image
- "Ray" image
- "Line" image
- "Angle" image
- "Parallel lines" image
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