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Angles
Revision Flashcards on GCSE Angles
7
Mathematics
11th Grade
10/28/2010

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Term

Right Angle

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Definition
An angle of 90 degrees. There are 4 in a square
Term
Comlementary Angle
Definition
Angles that add up to 90 degrees. Eg. the complimentary angle to 63 degrees is 27 degrees.
Term
Reflex Angle
Definition
An angle that lies between 180 degrees and 360 degrees
Term

Obtuse Angle

 

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Definition
An angle that lies between 90 degrees and 180 degrees
Term
Interior Angle
Definition
An angle between one side of a polygon and the adjacent side
Term
Exterior Angle
Definition
The angle between the extended side of a polygon and the adjacent side
Term

 

Angles at a point

 

[image]

Definition
Where angles meet at the same place. They will always add up to 360 degrees.
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