WILL MEDAL AND FAN! HELP BEEN WAITING FOREVVVERRRRR! Find the two errors in this two-column proof and correct them.

Question

fredfredburgeryes · Answer

attachment

fredfredburgeryes · Answer

@Vocaloid @Preetha @welshfella

anonymous · Answer

no angle E 
and it equals 180 degres

fredfredburgeryes · Answer

mike that's not the answer read the proof theres an e

anonymous · Answer

step 7

fredfredburgeryes · Answer

please don't just do that I want an explanation mike.... which is why I tagged vocaloid

vocaloid · Answer

ah, not quite sure about this one, I would wait for the others to get here

fredfredburgeryes · Answer

@skullpatrol

anonymous · Answer

can someone help me?

fredfredburgeryes · Answer

please do not ask for help on other peoples questions.... I have been waiting on this for forever and a half....

welshfella · Answer

I cant help sorry. Its such a long time since I did geometry and the postulates were called different things in my time.

fredfredburgeryes · Answer

:(

fredfredburgeryes · Answer

@uri @pooja195 @ganeshie8 helppp

fredfredburgeryes · Answer

@Miracrown @karatechopper help please!

fredfredburgeryes · Answer

@Abhisar help!!!!

welshfella · Answer

-  also it was in the UK
look like the errors are in the reasons.

fredfredburgeryes · Answer

yes I believe so too, but I really hope someone helps me figure this out....

welshfella · Answer

what is CPCTC?

fredfredburgeryes · Answer

CPCTC is an acronym for corresponding parts of congruent triangles are congruent. CPCTC is commonly used at or near the end of a proof which asks the student to show that two angles or two sides are congruent.

fredfredburgeryes · Answer

2nd repost of this question, been waiting 2 hours... wow

fredfredburgeryes · Answer

@paki @kropot72 @Luigi0210 @sleepyjess

welshfella · Answer

I've done a google on postulates of equality 
it looks like 7 should be   the transitive postulate of equality

fredfredburgeryes · Answer

well that is half of it... now we just need the other error...

welshfella · Answer

check this out:- http://mycoggeometric.blogspot.co.uk/2005/11/general-postulates-duducive-proofs.html what do you think?

fredfredburgeryes · Answer

I honestly do not know but it sounds right,

welshfella · Answer

maybe also - as there are 2 sides and 1 angle involved  line 8 should be SAS?

fredfredburgeryes · Answer

@dan815 @nincompoop @Preetha @ganeshie8 @texaschic101 @Data_LG2 @jagr2713 @acxbox22 @Mimi_x3 @YanaSidlinskiy PLEASE HELPPPPP

fredfredburgeryes · Answer

I honestly have no idea... but I hope someone actually comes to help us.....

welshfella · Answer

no-  SAS presumably means  2 sides and the angle in between those 2 sides

fredfredburgeryes · Answer

@perl some assistance please?

welshfella · Answer

|dw:1435172128577:dw|