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Mathematics 9 Online
OpenStudy (anonymous):

will medal and fan!!! help!!! In the figure, p || q. You must prove that ∠4 is supplementary to ∠7. What is the reason for the highlighted statement in the proof? Substitution Property of Equality For parallel lines cut by a transversal, corresponding angles are congruent. Congruent Supplements Theorem Vertical Angles Theorem

OpenStudy (anonymous):

which 2 can you eliminate straight away?

OpenStudy (anonymous):

For parallel lines cut by a transversal, corresponding angles are congruent. and Vertical Angles Theorem @tylermcmullen23

OpenStudy (anonymous):

actually, those are the ones you want to keep

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

look at the diagram you are provided. it says that angle 4 and andle 2 are supplementary, correct??

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so that means that angles 2 and 7 have to be congruent

OpenStudy (anonymous):

what type of angles are 2 and 7?

OpenStudy (anonymous):

suplamentary?

OpenStudy (anonymous):

yes. i have a question. how does your quiz work, does it tell you if its wrong when you submit the single question or the whole test?

OpenStudy (anonymous):

its a mastery tes for plato credit recovery. if u get 4 out of the 5 questions right u dont have to retake it. but u can retake it as many times as u want

OpenStudy (anonymous):

how many questions do you have left after this one?

OpenStudy (anonymous):

2 but i got his one wrong

OpenStudy (anonymous):

i finished the tes passing tho but i still wanted to know how to do this

OpenStudy (anonymous):

well, we said that both pairs are supplementary and congruent. what did ou put the last time?

OpenStudy (anonymous):

i think its congruent supplaments therom

OpenStudy (anonymous):

that would make more sense.

OpenStudy (anonymous):

ok

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