![Angles 3 and 6 and angles 4 and 5 are alternate interior angles. Angles 3 and 6 and angles 4 and 5 are alternate interior angles.](http://images.yourdictionary.com/images/main/A4intang.jpg)
Angles 3 and 6 and angles 4 and 5 are alternate interior angles.
![The alternate interior angles are the equal deflections placed on the The alternate interior angles are the equal deflections placed on the](http://www.globalsecurity.org/military/library/policy/army/fm/23-90/fig2-27.gif)
The alternate interior angles are the equal deflections placed on the
![So let's measure the alternate interior angles, <CAD and <HDA to see if they So let's measure the alternate interior angles, <CAD and <HDA to see if they](http://jwilson.coe.uga.edu/emt668/EMAT6680.2001/Meyers/EMAT%25206700/Images/image44.gif)
So let's measure the alternate interior angles, <CAD and <HDA to see if they
![Two parallel lines with a third line cutting them both with angles marked Two parallel lines with a third line cutting them both with angles marked](http://www.mathsrevision.net/gcse/angles.gif)
Two parallel lines with a third line cutting them both with angles marked
![interior and exterior angle :). alternate angle :| interior and exterior angle :). alternate angle :|](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1zH1brawyksXtDYluSc-VmvzQ6gPLK-nBCpew9b2JXUw83Zw7sM82HsQysnnMBhrg6ndHvVGyA8klTs3BKAVIEihozxvvHruXi4_QEnlfB-1M4ME0tzgpKMOWqrRyX050im3Np-OzDvs/s1600/alternate%252Bangle.png)
interior and exterior angle :). alternate angle :|
![Alternate interior angles ? Alternate exterior angles Alternate interior angles ? Alternate exterior angles](http://www.iq.poquoson.org/dollaraire/hsmath/geometry/EOCgeo0204.gif)
Alternate interior angles ? Alternate exterior angles
![and opposite angle, and the interior angles on the same side equal to and opposite angle, and the interior angles on the same side equal to](http://www.math.tamu.edu/~dallen/history/euclid/prop1_29.gif)
and opposite angle, and the interior angles on the same side equal to
![An angles is congruent to its matched angle. An angles is congruent to its matched angle.](http://www.mathnstuff.com/math/spoken/here/2class/260/trans5.gif)
An angles is congruent to its matched angle.
Alternate Interior AnGles
![Alternate interior angles: Alternate interior angles:](http://www.basic-mathematics.com/images/Transversallines.gif)
Alternate interior angles:
Alternate Interior Angles
Here the pairs (a and c) and (b and d) are alternate interior angles.
![Here ∠W and ∠X are one of the alternate interior angles and ∠Z and ∠Y Here ∠W and ∠X are one of the alternate interior angles and ∠Z and ∠Y](http://image.wistatutor.com/content/feed/u2180/images_4.jpg)
Here ∠W and ∠X are one of the alternate interior angles and ∠Z and ∠Y
![SAME-SIDE INTERIOR ANGLES are inside the lines, and on the same side of the SAME-SIDE INTERIOR ANGLES are inside the lines, and on the same side of the](http://www.onemathematicalcat.com/Math/Geometry_obj/graphics/alt_exterior.bmp)
SAME-SIDE INTERIOR ANGLES are inside the lines, and on the same side of the
![Alternate Interior or Z angles. These are equal interior angles. Alternate Interior or Z angles. These are equal interior angles.](http://www.mathjunkies.com/mathjunkies/Data/Alternate%2520Interior%2520Angles/alternate%2520interior%2520angles__branded.jpg)
Alternate Interior or Z angles. These are equal interior angles.
![The Alternate Interior Angles Theorem states that, when two parallel lines The Alternate Interior Angles Theorem states that, when two parallel lines](http://cosketch.com/SavedImages/psc0vMDI.png)
The Alternate Interior Angles Theorem states that, when two parallel lines
![As an example, the interior angles in A and B As an example, the interior angles in A and B](http://www.fao.org/docrep/field/003/e7171e/E7171E22.gif)
As an example, the interior angles in A and B
![ALTERNATE INTERIOR ANGLES ALTERNATE INTERIOR ANGLES](http://www.wsdot.wa.gov/NR/rdonlyres/7F717F60-414C-438C-9222-FFA667C4FE31/0/AlternateMap.jpg)
ALTERNATE INTERIOR ANGLES
The two interior angles of ABC that are opposite to the exterior angle ACD
![Alternate Interior Angles Micaela Alternate Interior Angles Micaela](http://farm4.static.flickr.com/3349/3438183397_b1aed01a74_o.jpg)
Alternate Interior Angles Micaela