Anyone want to help me with my math homework? (Geometry)

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ViperMagic

Platinum Member
Jul 7, 2001
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Well, my question is basiclly, if ive got two congruent triangles, with corresponding angle bisectors, how do i prove the bisectors congrent?

If you could IM me on AIM (ViperMagic18) itd be great... if not ill be eagarly awaiting responces here...
 
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tweakmm

Lifer
May 28, 2001
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how can CD be an agle bisector if there is no CD?
If it's not labeled I can't do your homework for you, which I might not even do anyway :)
 
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fatbaby

Banned
May 7, 2001
6,427
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CA congruent to DF

<c congruent <f

<a congruent to <d
Thats all given

Since c and f are congruent, their bisectors are congruent.

Then cag congruent to fdh because of ASA.

Then cg congruent to FH by cpctc




 
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ViperMagic

Platinum Member
Jul 7, 2001
2,260
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16, accuatly, but we jsut started congrent triangles wedsday, adn she gave us this assignemnt and said "good luck"
 
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DanFungus

Diamond Member
Jul 27, 2001
5,857
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Originally posted by: tweakmm
that is really really easy, I would be studying for my test if I were you
Click to expand...

well, when I was in Geometry, it wasn't knowing that it was true, because most of the time it as grossly obvious, but the hard part is to prove it with these stupid laws and theorems that you had to explain every single thing you did. It was god awful.

 
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ViperMagic

Platinum Member
Jul 7, 2001
2,260
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Originally posted by: DanFungus
Originally posted by: tweakmm
that is really really easy, I would be studying for my test if I were you
Click to expand...

well, when I was in Geometry, it wasn't knowing that it was true, because most of the time it as grossly obvious, but the hard part is to prove it with these stupid laws and theorems that you had to explain every single thing you did. It was god awful.
Click to expand...

Exactly!

Now, seeing as its 1:30, and as far as my body is concerned its 2:30, I'm off to bed. Thanks for the help, all!
 
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tweakmm

Lifer
May 28, 2001
18,436
4
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Originally posted by: DanFungus
Originally posted by: tweakmm
that is really really easy, I would be studying for my test if I were you
Click to expand...

well, when I was in Geometry, it wasn't knowing that it was true, because most of the time it as grossly obvious, but the hard part is to prove it with these stupid laws and theorems that you had to explain every single thing you did. It was god awful.
Click to expand...
Proofs were my favorite part of geometry :)
 
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fornax

Diamond Member
Jul 21, 2000
6,866
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Oh come on, this is a very simple problem. In congruent triangles, all elements are equal. In particular, angle CAB = angle FDE, the sides AC and DF are also equal, and the angles ACD and DFH are equal because they are halfs of congruent angles. Therefore, the triangles ACD and DFH are congruent, and therefore the bisectors are congruent.
 
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