Remember the previous question we just answered?
They wanted us to prove that the triangles were similar by showing that there were two congruent (that means equal) angles
Phantomdex:
Alright my knowledge on this only goes so far so, I guess I'll be taught this as well now lol
jonahneedshelp2121:
ok
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jonahneedshelp2121:
b and e are the same and f and c and the same angles right?
AZ:
This question is asking us to do the same exact thing.
Angle A and D are equal to each other. (They're both 90 degree angles)
AZ:
@jonahneedshelp2121 wrote:
b and e are the same and f and c and the same angles right?
Yes
jonahneedshelp2121:
@az wrote:
This question is asking us to do the same exact thing.
Angle A and D are equal to each other. (They're both 90 degree angles)
ok
jonahneedshelp2121:
so know i know that what do I do next?
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jonahneedshelp2121:
ok
AZ:
This question basically asks the opposite of what that question was asking
jonahneedshelp2121:
ohhh
jonahneedshelp2121:
hmmm
jonahneedshelp2121:
this part is confusing
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jonahneedshelp2121:
∠E onto ∠B where ∠E is congruent to ∠B,
AZ:
Actually I was mistaken
AZ:
@jonahneedshelp2121 wrote:
∠E onto ∠B where ∠E is congruent to ∠B,
This just means that they rotated the triangle so now it looks like this
|dw:1637168587708:dw|
jonahneedshelp2121:
oh ok
jonahneedshelp2121:
so what is my next step?
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AZ:
The drawings aren't to scale
Because the question states rigid transformations which are translation, rotation, and reflection. This doesn't change the shape, it just moves it around
jonahneedshelp2121:
oh
jonahneedshelp2121:
i kind of like the D opjtion
AZ:
That is correct
jonahneedshelp2121:
segment DE ~ segment AB because of the definition of similarity in terms of similarity transformations
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jonahneedshelp2121:
but that was kind of a guess to be truthful
AZ:
It can't be answer choice A because it doesn't match the angles correctly
triangle ABC would be similar to triangle DEF
while answer choices A and C both have it as ABC and FDE
AZ:
Actually I think it should be B
The series of rigid transformations got triangle DEF to overlap on triangle ABC but they are similar triangles, not congruent triangles
jonahneedshelp2121:
ohhh
jonahneedshelp2121:
how?
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AZ:
If you rotate the triangle DEF, you'll get it to look just like triangle ABC
jonahneedshelp2121:
oh ok that makes more sence
AZ:
We already know that angle A and D are equal. And we are told that angle E and B are congruent in the question
jonahneedshelp2121:
also i have a BIG typing part that I 100% need help to understand
jonahneedshelp2121:
@az wrote:
We already know that angle A and D are equal. And we are told that angle E and B are congruent in the question
^
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jonahneedshelp2121:
you there?
Phantomdex:
I think they went offline
jonahneedshelp2121:
oof
Phantomdex:
Oof indeed
jonahneedshelp2121:
@phantomdex wrote:
I think they went offline
can you help me on 1?
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Phantomdex:
Um, I'll be honest I'm not sure I'll even now what's going on in the question