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Mathematics 7 Online
OpenStudy (anonymous):

PLEASE HELP ME IM HORRIBLE AT THIS Part A: If ∠D is a right angle and lines PN, FG, and BD are parallel to each other, prove trianlge SPN ~ triangle SFG ~ triangle SBD . Statement Reason 1. 𝑃𝑁̅̅̅̅ ∥ 𝐹𝐺̅̅̅̅ ∥ 𝐵𝐷̅̅̅̅ 2. ∠𝐷, ∠𝑆𝐺𝐹, and ∠𝑆𝑁𝑃 are corresponding angles 3. 𝑚∠𝐷 = 𝑚∠𝑆𝐺𝐹 = 𝑚∠𝑆𝑁𝑃 4. ∠𝐵, ∠𝑆𝐹𝐺, and ∠𝑆𝑃𝑁 are corresponding angles 5. 𝑚∠𝐵 = 𝑚∠𝑆𝐹𝐺 = 𝑚∠𝑆𝑁𝑃 6. ∆ 𝑆𝑃𝑁 ~ ∆𝑆𝐹𝐺 ~∆𝑆𝐵𝐷

OpenStudy (anonymous):

is there a figure aka image?

OpenStudy (anonymous):

yes yes ill post it rn

OpenStudy (anonymous):

proofs are hard ;)

OpenStudy (anonymous):

OpenStudy (anonymous):

i know i dont understand them at all

OpenStudy (anonymous):

do you think you could help?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

just a minute

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

first statement is a given

OpenStudy (anonymous):

U see why?

OpenStudy (anonymous):

because they told us that those lines are parallel in the question?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ok now how do we figure out the others?

OpenStudy (anonymous):

not sure abt 2

OpenStudy (anonymous):

3 is corresponding angles are congruent

OpenStudy (anonymous):

5 is the same

OpenStudy (anonymous):

6 is AA similarity postulate

OpenStudy (anonymous):

dude thanks so much

OpenStudy (anonymous):

what about 4?

OpenStudy (anonymous):

4 and 2 are the same. it is probably something obvious

OpenStudy (anonymous):

its not given is it?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

im sorry im really bad at these. i have no idea what it could be

OpenStudy (anonymous):

ah i think I know what it is. Definition of Cooresponding angles

OpenStudy (anonymous):

I am not 100% sure though

OpenStudy (anonymous):

as long as youre like 75% sure thats fine with me lol

OpenStudy (anonymous):

I am 85% sure. Good bye then ;)

OpenStudy (anonymous):

thanks!!

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