anonymous
  • anonymous
can someone please help me on a geometry question?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
i can try
anonymous
  • anonymous
A student wrote the following sentences to prove that the two pairs of parallel opposite sides of parallelogram ABCD are congruent: For triangles ABD and CDB, alternate interior angles ABD and CDB are congruent because AB and DC are parallel lines. Alternate interior angles ADB and CBD are congruent because AD and BC are parallel lines. DB is congruent to DB by _______________. The triangles ABD and CDB are congruent by ASA postulate. As corresponding parts of congruent triangles are congruent, AB is congruent to DC and AD is congruent to BC by CPCTC. Which phrase best completes the student's proof?
anonymous
  • anonymous
http://learn.flvs.net/webdav/assessment_images/educator_geometry_v16/image0044e8c7278.jpg

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anonymous
  • anonymous
associative property reflexive property substitution property transitive property
anonymous
  • anonymous
@freckles can you help me?
iiAriana
  • iiAriana
Wrong section.
freckles
  • freckles
that link doesn't work @iiAriana is not showing math for you? it is showing math for me.
anonymous
  • anonymous
1 Attachment
freckles
  • freckles
also reflexive property is x=x transitive property says if x=a and b=x, then a=b associative property is (a+b)+c=a+(b+c) substitution property is something like if a=b and b
freckles
  • freckles
DB is congruent to DB by _______________. so what property seems most likley here ?
freckles
  • freckles
likely *
anonymous
  • anonymous
Associative property ?
freckles
  • freckles
think of the equals above like congruency reflexive property is x congruent to x etc...
anonymous
  • anonymous
I'm confused because I' not very good with this stuff
freckles
  • freckles
doesn't that like say DB is congruent to DB
freckles
  • freckles
compared this to what I wrote
freckles
  • freckles
what is the only thing in that form
freckles
  • freckles
reflexive property is x is congruent to x transitive property says if x is congruent to a and b is congruent to x, then a is congruent to b ... associative property is (a+b)+c=a+(b+c) substitution property is something like if a=b and b
freckles
  • freckles
isn't DB congruent to DB in the form x congruent to x?
anonymous
  • anonymous
yes
freckles
  • freckles
and what name does that property have?
freckles
  • freckles
you can find above that I called it the...
anonymous
  • anonymous
Reflexive property?
freckles
  • freckles
yes!
freckles
  • freckles
have to go now have fun :)
anonymous
  • anonymous
ok thanx so much :)

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