Tuesday, November 06, 2007
Geometry (Class 25)
Overview
In today’s class we finish our work investigating how to determine if a triangle can be made when given the lengths of its sides. In addition, Test 4 is returned and corrected.
Textbook Sections
§4.1 (Txt. p.194) Triangles and Angles
Vocabulary
Triangle inequality
Key Attitudes
Math is about reasoning and justifying.
Key Ideas
It is not always possible to construct a triangle given three segments!
A triangle can be constructed only when the sum of the two shortest sides is greater than the longest side.
Key Skills
Proving lines are parallel.
Finding the equation of a line given two points.
Determining if two lines are parallel or perpendicular based on the equations of the lines.
Finding the distance between two points.
Turn-In (#24)
Algebra & Geometry 4
Handouts
No Handouts Posted
Assignment
§4.1 (Txt. p.198) #10-21, 31-39, 62-65
Test 4 Corrections
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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