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Mathematics 18 Online
OpenStudy (anonymous):

does anyone know how to do proofs?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

OpenStudy (anonymous):

heres one, its two parts to it can you help me

OpenStudy (anonymous):

yea give me a minute and ill let you know

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Given C is the midpoint of segment DB and segment AE. Segment AC and segment CE are congruent due to the definition of midpoint. Segment BD is congruent to segment CD. Angle C is congruent to angle C due to vertical angles being congruent. Triangle ACB is congruent to triangle ECD by SSS. Segment DE is congruent to segment AB by corresponding parts of a congruent triangle are congruent (CPCTC)

OpenStudy (anonymous):

re write it how you must to pass but thats the information for what you need.

OpenStudy (anonymous):

thanks.can you help me solve another one

OpenStudy (anonymous):

if you'd like me to, im here for about an hour and 10 more minutes

OpenStudy (anonymous):

i need to say why this is incomplete, and i actually dont even know if the fill in blanks are right

OpenStudy (anonymous):

4 is incorrect, it is not one of your givens. It should be yxz is congruent to VXW because of the fact that angle C is a vertical angle so C s equal to itself. You are unable to finish the proof because you do not have enough information to get ASA, SSS, SAS, AAS.

OpenStudy (anonymous):

two more?

OpenStudy (anonymous):

whats up?

OpenStudy (anonymous):

is this correct?

OpenStudy (anonymous):

reflexive property would be AB is congruent to segment AB 5 would be ASA because of angle A and segment AB and angle B and 6 is CPCTC because anything after proving a triangle congruent is always CPCTC (untill you go to the beyond CPCTC problems)

OpenStudy (anonymous):

ok and this last one

OpenStudy (anonymous):

one second

OpenStudy (anonymous):

okay so im not sure what you options are but this is what i have..

OpenStudy (anonymous):

wait, what are your options for number 7 and 8.

OpenStudy (anonymous):

i think the same:given, vertical angles,def. of midpooints,def. of angle bisectors, corresponding angkes,reflexive prop,def. of perpendicular lines, A/A , AEA,CPCTC

OpenStudy (anonymous):

OpenStudy (anonymous):

i hope that helped somewhat

OpenStudy (anonymous):

yes thanks so much for your help

OpenStudy (anonymous):

no problem

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