612 - C block - due Friday 15.02.06

finish chpt 6.3 hw #1, 2, 4 - 7, 9

chpt 6 quiz tuesday!

chapter 6 notes:

6.1

- two parallel lines determine a plane

- two intersecting lines determine a plane

6.2

- a line is perpendicular to a plane if it is perpendicular to every line on the plane that passes thru the foot

- if perpendicular to two lines in a plane thru foot, then perpendicular to plane

- if perpendicular to plane, then perpendicular to all line on plane thru foot

6.3

- if a plane intersects parallel planes, then lines of intersection are parallel