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Mathematics 19 Online
OpenStudy (anonymous):

<4 is congruent to <6 and m<3=140. What is the degree measure of <5? 40, 140, 160, or can't tell?

OpenStudy (anonymous):

|dw:1413111443266:dw|

OpenStudy (anonymous):

@sikinder

OpenStudy (bibby):

<1=<5=<3=140

OpenStudy (bibby):

<5+<6=180 140+<6=180

OpenStudy (anonymous):

In that case it has to be 140 , in order for it to add up to 180 on both sides, right?

OpenStudy (bibby):

replace <6 with x and solve for it. 140+x=180

OpenStudy (anonymous):

140

OpenStudy (anonymous):

oops I mean 40

OpenStudy (bibby):

yeah.

OpenStudy (anonymous):

actually that was wrong, good thing it's not a test

OpenStudy (bibby):

for reference, <3=<1 because of vertical angles <1=<5 because of corresponding angles <5+<6=180 because they're on a line and supplementary

OpenStudy (bibby):

sheet neega

OpenStudy (anonymous):

It says No. If two lines are cut by a transversal,and one pair of alternate interior angles is congruent,thenthe other pair of alternate interior angles is also congruent. Try again.

OpenStudy (anonymous):

oh it is 140

OpenStudy (bibby):

alternate interior angles are the ones in the z |dw:1413112034735:dw|

OpenStudy (bibby):

wait wtf

OpenStudy (bibby):

I got it right

OpenStudy (bibby):

I'm just an idiot

OpenStudy (anonymous):

because if 3 is 140 then 5 has to be 140 because of the interior angles being congruent(the transversal angles)

OpenStudy (bibby):

my first post said <1=<5=<3=140 that meant we were done

OpenStudy (bibby):

but your way is less roundabout

OpenStudy (anonymous):

it's just too early for us lol

OpenStudy (bibby):

lol, too true. too many things happened tonight. I haven't yet processed it all ;~; anyhow you're right <3=<5

OpenStudy (anonymous):

40

OpenStudy (bibby):

gosh dangit sikinder

OpenStudy (anonymous):

lol he's dumb

OpenStudy (bibby):

rude dude

OpenStudy (anonymous):

;)

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