CK-12 Geometry - Second Edition

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 7. Similarity


26.


27.Error Analysis

Casey attempts to solve for a in the diagram using the proportion
5
a

=


6


5


What did Casey do wrong? Write the correct proportion and solve fora.


  1. Michael has a triangular shaped garden with sides of length 3, 5 and 6 meters. He wishes to make a path along
    the perpendicular bisector of the angle between the sides of length 3 m and 5 m. Where will the path intersect
    the third side?


29.


This is a map of lake front properties. Findaandb, the length of the edge of Lot 1 and Lot 2 that is adjacent
to the lake.


  1. Fill in the blanks of the proof of Theorem 7-8.

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