Non-congruent Alternate-Interior Angles

This image is of the letter A. This is an extremely important letter, being one of 6 vowels. The letter A is used the the English alphabet, and is used in a high percentage of words. The letter A also exhibits the property of non-congruent alternate-interior angles, because this letter has two main lines cut be a transversal. However, the main lines intersect, and so are not parallel, which means that the alternate interior angles are not congruent. This image was found using google images, under the URL http://www.wickes.co.uk/self-adhesive-cut-out-letter-a/invt/191091/.