Thursday, December 3, 2009

1. Warm-ups: 151MR/6-11 all; this assignment will be collected on Monday, Dec 7.
Problems 5-10 need to be done with a compass and straight edge.

2 Review median and perpendicular bisector constructions for a triangle

3. Notes on construction of altitudes using construction 6 from page 381

4. H.W. :

• Construct the 3 altitudes for each of the three triangles on the Construction Worksheet (4-7)
  
• 156/1-25 (o)