Term

Definition
Is an exact loction. A point is named by a capital letter. 


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Definition
Is a straight path that exends without end on opposite directions. A line is named by two points on the line. 


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Definition
A flat surface that exends without end in all directions. A plane is named by three points on the plane that are not on the same line. 


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Definition
Is made of two endpoints and all the points between the endpoints. A line segment is named by its endpoints. 


Term

Definition
Has one endpoint. From the endpoint,the ray extends without end in one direction only. A ray is named by its endpoint first followed by another point on the ray. 


Term

Definition
Is formed by two rays with a common endpoint. Angles are named by the two rays using the common endpoint in the middle of the name. 


Term

Definition
The common endpoint of two rays. The middle point in the name should always b vertex. 


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Definition
Measures less than 90 degrees. 


Term

Definition
Measures exactly 90 degrees. 


Term

Definition
Measures more than 90 degrees, but less than 180 degrees. 


Term

Definition
Measures exactly 180 degrees. 


Term

Definition
Tool use to measure angles. 

