Marie1738
  • Marie1738
Can someone help me please?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
with ?
anonymous
  • anonymous
?
zepdrix
  • zepdrix
` Segments AC and DE are parallel.` This one is very important. If we don't have parallel sides, then the angles are not congruent. ` Angle B is congruent to itself due to the reflexive property.` This one is also very important. It might seem very obvious, but we are stating that The angle B in ABC is the same as angle B in DBE.

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zepdrix
  • zepdrix
Hmm let's see what else we have :)
zepdrix
  • zepdrix
So that narrows it down to two choices, any ideas? :d
zepdrix
  • zepdrix
Hmmm so do I. The fact that A+B is supplementary to angle C just tells us that it is a triangle. I don't really see how option D helps us in this proof either though... But I would lean towards A as the correct choice. Sorry I'm 100% on this one >.<
zepdrix
  • zepdrix
not* 100% lol
zepdrix
  • zepdrix
sure c:
zepdrix
  • zepdrix
Geometry is my worst XD but we can try haha
zepdrix
  • zepdrix
Same picture? :d
zepdrix
  • zepdrix
Oh there is some type of flowchart that I don't see hehe
zepdrix
  • zepdrix
So they start by showing that the sides are similar with the proportion they set up. Then they show that angle B is angle B. That's enough to give us SAS, so therefore the triangles are similar. So now we can say that corresponding parts of similar triangles must be similar. So which pair of angles do we want to match up to show that these lines are parallel? Hint: We want one angle from EACH triangle.
zepdrix
  • zepdrix
|dw:1449766587460:dw|These two angles? Hmm no, I don't think that's going to do it.
zepdrix
  • zepdrix
|dw:1449766706101:dw|Ah there we go :) Those are corresponding angles in our similar triangles. So yes, those will show parallel.
zepdrix
  • zepdrix
sure
zepdrix
  • zepdrix
In part D, step 3 gives us this:|dw:1449767203902:dw|
zepdrix
  • zepdrix
And then step 4 is giving us this|dw:1449767242024:dw|
zepdrix
  • zepdrix
So I don't think SAS is going to wrap this one up for us.
zepdrix
  • zepdrix
This means congruent ≅ This means similar ~ We would say that corresponding sides are `similar` when we have similar figures. But corresponding angles will be `congruent`. I don't remember the names of these rules :) lol But I think it's the Congruent Angles Postulate that we want. Sec I check.
zepdrix
  • zepdrix
Grr it's definitely A or C. I'm not sure which one >.< I really think it's C, but I could be wrong. Sorry :p
zepdrix
  • zepdrix
It was A? :c aw my bad. hehe

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