Problem 146
Use the model of the box shown and give examples of the following:
a. Intersecting lines
b. Parallel lines
c. Skew lines
d. Parallel planes
e. Intersecting planes
f. Concurrent lines
g. Coplanar points
h. Collinear points
Solution
a. line PS and PV
line PQ and RQ
line PV and VU
b. lines UV and PS
lines PS and QR
lines PV and SU
c. lines PQ and UV are skew lines
d. plane PQRS and TUVW are parallel to each other.
e. planes TUVW and PQWV are intersecting planes
f. lines PS,PV,PQ are the concurrent lines.
g. P,V,Y,U,S are coplanar points
h. V,Y,U are collinear points