Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents. ... When two lines are crossed by another line (which is called the Transversal), the pairs of angles on opposite sides of the transversal but inside the two lines are called Alternate Interior Angles.
www.mathsisfun.com/geometry/alternate-interior-angles.h... www.mathsisfun.com/geometry/alternate-interior-angles.html
Illustrated Math Dictionary - Definition of Alternate Interior Angles ... When two lines are crossed by another line (which is called the Transversal), the pairs of angles on opposite sides of the transversal but inside the two lines are called Alternate Interior Angles. Click on "Alternate Interior Angles" below to see.
www.mathsisfun.com/definitions/alternate-interior-angle... www.mathsisfun.com/definitions/alternate-interior-angles.html
Definition and properties of alternate interior angles, showing the pairs of angles associated with a transversal ... Alternate Interior Angles are created where a transversal crosses two (usually parallel) lines. Each pair of these angles are inside the parallel lines, and on opposite sides of the transversal.
www.mathopenref.com/anglesalternateinterior.html www.mathopenref.com/anglesalternateinterior.html
In the drawing below, angles 3 and 6 are alternate interior angles, as are angles 4 and 5. Alternate interior angles are congruent. Formally, alternate interior angles are two interior angles which lie on different parallel lines and on opposite sides of a transversal.
www.mathwords.com/a/alternate_interior_angles.htm www.mathwords.com/a/alternate_interior_angles.htm
Definition: An angle of intersection of m and k and one of n and k are alternate interior angles  if their transversal sides are opposite directed and intersecting, and if their non-transversal sides lie on opposite sides of . Two of these angles are corresponding angles  if their transversal sides have like...
www.math.uncc.edu/~droyster/math3181/notes/hyprgeom/nod... www.math.uncc.edu/~droyster/math3181/notes/hyprgeom/node33.html
A pair of angles on the inner sides of two lines cut by a transversal, but on opposite sides of the transversal ... 3 and 6 and 4 and 5 are alternate interior angles.
www.harcourtschool.com/glossary/math_advantage/definiti... www.harcourtschool.com/glossary/math_advantage/definitions/alternate_i8.html
Alternate Interior Angles Theorum: If two parallel lines are cut by a transversal, the alternate interior angles are congruent. ... Given: a b with transversal t ... - Jaime III; "The Universe may be as great as they say, but it wouldn't be missed if it didn't exist." - Piet Hein...
library.thinkquest.org/2647/geometry/angle/proof6.htm library.thinkquest.org/2647/geometry/angle/proof6.htm
• Drag the points A, B, D, and F. • Compare the measure of the two "blue" angles. • Compare the measure of the two "red" angles. • Are there other pairs of alternate interior angles?
argyll.epsb.ca/jreed/javaMath/geometry/altint.html
Alternate Interior Angles are the angles that are formed on the inside of lines L and M, but are on opposite sides of the transversal. In the image on the right, angles 3 and 6 are a pair of alternate interior angles.
www.homewood.k12.al.us/~jewalker/tut/tut-aia.html