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Mathematics 12 Online
OpenStudy (anonymous):

Complete two-colum proof

OpenStudy (anonymous):

the column

ganeshie8 (ganeshie8):

for c, u can justify the reason as : "By definition of transversal"

OpenStudy (anonymous):

alright

ganeshie8 (ganeshie8):

for d, u can justfy as : "By Corresponding Angles postulate"

ganeshie8 (ganeshie8):

for next reason, let me ask u a q :)

OpenStudy (anonymous):

okay :D

ganeshie8 (ganeshie8):

u may or maynot be familiar wid properties of equalities, see if u can figure out below expression falls under which property of equality :- x = x

OpenStudy (anonymous):

given?

ganeshie8 (ganeshie8):

ok forget it :)

ganeshie8 (ganeshie8):

x = x is by reflexive property

ganeshie8 (ganeshie8):

look at statemetn e, it says \(\angle Q \cong \angle Q\)

ganeshie8 (ganeshie8):

it is so, because we have this "reflexive property" working. so u can justify it as : "By reflexive property"

OpenStudy (anonymous):

oh so basically they want to know the properrty or whatever you plan to use to get the answer?

ganeshie8 (ganeshie8):

reflexive property says "a thing is equal to itself"

ganeshie8 (ganeshie8):

A is A. or X is X..

ganeshie8 (ganeshie8):

no they want to know, you know how to justify statements correctly

ganeshie8 (ganeshie8):

since u r doing proofs, u might be knowing it already, for every statement we need to provide a justification. and it has to be a correct and reasonable justification

ganeshie8 (ganeshie8):

lets move on

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

next is F and G

ganeshie8 (ganeshie8):

justification for F is same as D. u can copy paste

ganeshie8 (ganeshie8):

for G :- since we have proved that two angles are congruent just before. the justification would be this : "By AA similarity"

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