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exterior angle
(redirected from internal angle)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
exterior angle
1. an angle of a polygon contained between one side extended and the adjacent side
2. any of the four angles made by a transversal that are outside the region between the two intersected lines

exterior angle [ek′stir·ē·ər ′aŋ·gəl]
(mathematics)
An angle between one side of a polygon and the prolongation of an adjacent side.
An angle made by a line (the transversal) that intersects two other lines, and either of the latter on the outside.


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This makes each internal angle of PQRSTU equal to 120[degrees].
Once you have completed plastering the wall, use the angle trowel to form the internal angle.
In the third presentation this view of angle as a measure of turn is extended to an understanding of the internal angles of a polygon.
 
 
 
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