- Imaginea line goingthrougheachbranchof the tree below(see the red linesin the image).Whatterm
best describesthe two brancheswith lines in the tree picturedbelow? 
(Source:Derivedfrom http://commons.wikimedia.org/wiki/File:Mammutbaum.jpg.,License:PublicDomain))
- How manylines can be drawnthroughpoint that will be parallelto line
 - Whichof the followingbest describesskewlines?
 
A. Theylie in the sameplanebut do not intersect.B. Theyintersect,but not at a right angle.C. Theylie in differentplanesand neverintersect.D. Theyintersectat a right angle.- Are the sidesof the TransamericaPyramidbuildingin San Franciscoparallel?