Mr. Hansen

Geom. HW due 10/20/2008

(excerpt)

 

 

§4.2 #1, 5 (excerpt from full assignment of §4.1 #2, 5, 6, 9, §4.2 #1-8 all)

 

1.

Given:  is isosceles with base
           is a median

Prove:
          

 

[proof omitted since instructions said not to write a proof]

 

 

5.

Given:  is scalene
           is an altitude

Prove:

 

or

 

 

 

[Note: Both diagrams are required, since with an altitude, there is the possibility that the altitude falls outside the triangle itself.]