Description: Fun with lines. Yay!
Image copyright: My Own Photo, 2009, with paint
Parallel Lines: AB and CD
Transverse Line: EF
Adjacent Angles: 1&3, 5&7, 2&4 and 6&8
Acute Angles: 7, 5, 6, and 8
Obtuse Angles: 1, 3, 2, and 4
Alternate Exterior Angles: 1, 7, 6, 4
Alternate Interior Angles: 3, 5, 2, 8