Is anyone good at making proofs in geometry? I need help. Im really bad at them :p

- Lilblister

Is anyone good at making proofs in geometry? I need help. Im really bad at them :p

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- anonymous

i can try

- Lilblister

Ok thanks. I will post the picture

- anonymous

ok :D i am working on a proof in school also lol

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## More answers

- Lilblister

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- Lilblister

Haha! i struggle with these. Thanks for your help btw

- anonymous

well the first one you always just copy the given and write it down

- Lilblister

Ok the given right.

- Lilblister

So the first box would say in the
statement box : AB=CD, AD=CB
Then in the Reason : Given
Right?

- anonymous

yep :D

- Lilblister

Ok good :D

- anonymous

hold on :D

- Lilblister

Ok :)

- anonymous

i am not quite sure . . . . what the second or third one would be . . . but ik the last one is probably CPCTC and ABD=BCD but that is all i can think of i am sorry :/

- Lilblister

Thats ok! Thanks for helping me out this far :) @AlexisT20

- Lilblister

Can anyone else help :o

- anonymous

np :D and ask the math chat see if anyone can

- Lilblister

Ok thanks!

- Lilblister

@the_ocean_girl I put a picture of the proof above ^

- the_ocean_girl

I just did these! Let's get started!

- the_ocean_girl

So immediately, you can write in the Givens

- Lilblister

Awesome thanks so much!

- Lilblister

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- Lilblister

Is that right so far?

- the_ocean_girl

i think the givens count as 2 different parts of the proof

- Lilblister

Ok awesome that makes it a little easier XD

- Lilblister

Ok i did that.

- Lilblister

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- the_ocean_girl

Okay so what's another obvious proof

- Lilblister

ABD=BCD?

- the_ocean_girl

How about BD= BD

- Lilblister

Ok. That goes in the next box?

- the_ocean_girl

Yep, do you know what property that is?

- Lilblister

No i dont :P sorry im really bad at this lol

- the_ocean_girl

It's fine we all have our struggles! It's like saying a=a. Which is like a mirror, it reflects. So it's the reflexive property!

- Lilblister

Oh ok gotcha lol. So that would go in the reasoning box next to the statement box BD=BD right

- Lilblister

Wait is it the reflexive or reflective?

- the_ocean_girl

Reflexive and yes that would go in the reasoning box next to BD=BD

- Lilblister

Ok great

- Lilblister

Would that last box be ASA or something

- the_ocean_girl

Did we use any angles to prove the congruence?

- Lilblister

No. So it would be SSS?

- Lilblister

Btw sorry if it takes me a little to reply. For some reason i have to refresh then your response shows.

- the_ocean_girl

It's okay, and yes! It would be SSS. The givens gave us congruent sides, and we proved the third side, BD was congruent by the reflexive property! So the triangles would be congruent by the SSS postulate!

- Lilblister

Awesome thanks so much! Do u think you could help me with one more?

- Lilblister

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- Lilblister

@the_ocean_girl

- the_ocean_girl

Do you know CPCTC?

- Lilblister

Kind of lol. Its Corresponding parts of congruent triangles congruence or something

- the_ocean_girl

Corresponding parts of congruent triangles are congruent, that's all your missing! The parts are congruent because the triangles are congruent

- Lilblister

Oh ok. one sec.

- Lilblister

So is this correct?

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- the_ocean_girl

Yep! Looks good!

- Lilblister

Thanks so much! That was so helpful :D

- the_ocean_girl

No problem!

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