space angles
Description: transversals and angles
Image copyright: my own creation 2009 in paint
Period.2-3
Vocabulary project words and websites
Transversal- A LINE THAT CUTS ACROSS TWO OR MORE LINES
Angle- A angle is a set of points when two rays both start at the same point
Parallel-LINES THAT NEVER CROSS
Perpendicular-AT RIGHT ANGLES TO HORIZON
Adjacent angle- adjacent means that two things are next to each other. 2 things of
Vertical angle-pair of angles opposite of each other made by intersecting line
Angles are adjacent but one is not
Alternate exterior angle- when a pair of parallel lines is intersected by a transversal.
Alternate interior angle-alternate interior angles are congruent acute angle-less than 90°. Obtuse angle-more than 90°
Right angle- 90°
KEY:
Segment AB is parallel to CD
Vertical angles: 1/4 2/3 5/7 and 6/8
Adjacent angles: 1/3 1/2 2/4 3/4 5/6 5/8 6/7 7/8
Acute: 2, 3, 5, and 7
Obtuse angle: 1, 4, 6, 8
Right angles: none
Transversal line: EF
