(a) that every point R on l has its image R' on m and (b) that every pointS' on m has its preimage Son l.
I would love to see a drawing where these things are preserved instead of just assuming or stating that it is true.
5 Matching Annotations
- Dec 2016
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webhost.bridgew.edu webhost.bridgew.edu
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iron grate example
What is the iron grate example? How do we know the mapping of A,B and C if we don't truly know what the iron grate example is? We can't just come to this conclusion without exactly knowing what example to use.
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This means that A is on the right bisector of P P'
What does is mean to have A on the right bisector of PP'? I understand that A is located on the bisecting line but does it mean that its only on the left of the line? I have always been confused when the book explains points being on the right or left bisector.
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pointwise equality)
What exactly is pointwise equality? How do we even know if f and g are equal if we don't fully understand what a point wise equality is?
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- Nov 2016
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There are other conditions that allow us to conclude that two triangles are similar,
What are the other conditions? Can we really conclude that the two triangles are similar based upon BDEF being a parallelogram? Should we prove all conditions before we conclude that triangles ABC and ADE are similar?
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