The Ithaca High School Geometry Blog

Assignment for Monday, April 28, 2008

Due Tuesday, 4/29/08

From text:  p.526 #1-6, 9, 15, 17-19, 25

Proofs:  #11, 12, 13 on today’s notes handout.  All three require you to prove a quadrilateral is  a parallelogram.  For #11, one way to do this is to use ASA to show that the top and bottom triangles are congruent, then use theorem 8.10 (diagonals bisectors).

For #12 and 13, remember to use two different methods.  Try the midpoint of the diagonal on one, then congruent sides or parallel side for the other.

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