Shared Flashcard Set

Details

Formula Flashcards Exam
Circle Angles and Measurements
8
Mathematics
10th Grade
06/18/2012

Additional Mathematics Flashcards

 


 

Cards

Term
Central Angle
Definition
  • an angle with the vertex at the center
  • rays are radii

[image]

Term
Inscribed Angle
Definition
  • angle with vertex on the edge of the circle
  • rays are cords

[image]

Term

Interior Angle (bowtie shaped)

[image]

Definition
  • intersects in the circle-> the vertex is inside the circle but not at the center
  • formed by two cords
  • [image]
Term
Exterior Angle 
Definition
  • vertex is outside the circle 
  • rule: lg. arc - sm. arc/ 2 =exterior angle
Term

Exterior Angle formed by 2 secants

 

Definition

[image]

 
  •   [image]
Term

Exterior Angle formed by a secant and tangent

 

Definition
  • [image]
  • [image]
Term
Exterior Angle formed by 2 secants
Definition
  • [image]
  • [image]
Term

Vertex on the circle, formed by a chord and a tangent

[image]

Definition

*angle is both in and out of the circle

  • rule: angle= (1/2) (intercept arc)
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