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Mathematics 43 Online
OpenStudy (anonymous):

HELP PLEASE, I WILL GIVE A MEDAL In the diagram, lines m and n are parallel. If m∠2 = 150 degrees, find the measure of the following angle(s). (picture below) ∠4 = ? Answer choices: 120 degrees 50 degrees 30 degrees 150 degrees

OpenStudy (anonymous):

OpenStudy (anonymous):

Can you explain to me how to do this?

jigglypuff314 (jigglypuff314):

corresponding angles are congruent http://www.mathsisfun.com/geometry/corresponding-angles.html

jigglypuff314 (jigglypuff314):

indeed :) mathisfun :P lol

OpenStudy (anonymous):

That still doesn't help me because, I need help with finding the measure of an angles.

OpenStudy (anonymous):

I'm in 6th @WoozWorldRocks!

jigglypuff314 (jigglypuff314):

congruent means equal angle 4 and angle 2 are corresponding angles corresponding angles are congrent

OpenStudy (anonymous):

Oh, so the answer would be: ∠4 = 150 degrees?

OpenStudy (anonymous):

YES!

OpenStudy (anonymous):

Can I have a medal please know because I don't have ONE!

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

Haha, sure. No problem! :-)

OpenStudy (anonymous):

I just faned you!

OpenStudy (anonymous):

brb!

OpenStudy (anonymous):

@jigglypuff314 is this correct? angle 8 ≅ angle6 angle7 ≅ angle3 angle2 ≅ angle 4 angle2 ≅ angle6 angle5 ≅ angle3

OpenStudy (anonymous):

≅ means congruent to

jigglypuff314 (jigglypuff314):

correct! :D

OpenStudy (anonymous):

So, ∠6 = 150 degrees?

jigglypuff314 (jigglypuff314):

yep :)

OpenStudy (anonymous):

Ok, so ∠4 = 150 degrees ∠6 = 150 degrees Would ∠8 = 150 degrees because, ∠8 is congruent to ∠6?

jigglypuff314 (jigglypuff314):

correct!

OpenStudy (anonymous):

Do you happen to know, how to find out what ∠7 =?

jigglypuff314 (jigglypuff314):

5 = 7

OpenStudy (anonymous):

I know that: angle7 is congruent to angle 3. I need to find the degrees. I have to choose from: 1. 130 degrees 2. 30 degrees 3. 150 degrees 4. 15 degrees

jigglypuff314 (jigglypuff314):

angle 3 is supplementary to angle 2 so if angle 2 = 150 then angle 3 = 180 - 150

OpenStudy (anonymous):

So, angle 7 = 3- degrees?

jigglypuff314 (jigglypuff314):

yep ;) 30 degrees XD

OpenStudy (anonymous):

Yeah...that was a fail...THanks!

jigglypuff314 (jigglypuff314):

no problem :P

OpenStudy (anonymous):

WAIT

OpenStudy (anonymous):

Can you check one more thing?

jigglypuff314 (jigglypuff314):

sure :)

OpenStudy (anonymous):

Identify the parallel lines from the given diagram. The two marked angles are congruent. (diagram attached) Answer choices: a and c b and c a and b non of the above **My answer: a and b***

jigglypuff314 (jigglypuff314):

correct :)

OpenStudy (anonymous):

thanks

jigglypuff314 (jigglypuff314):

you're welcome :)

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