Given the following diagram, find the missing measure.

https://media.glynlyon.com/g_geo_2013/3/page68a.gif

m ∠4 = 2x°, m ∠2 = (4/3)x°, m ∠3 = 20°, find x.

10
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30
60

Question

Given the following diagram, find the missing measure.

https://media.glynlyon.com/g_geo_2013/3/page68a.gif

m ∠4 = 2x°, m ∠2 = (4/3)x°, m ∠3 = 20°, find x.

10
20
30
60

anonymous · Answer

@HonorsStudent  Can u help with this?

anonymous · Answer

Let me work it out real quick

anonymous · Answer

Okay same thing as before! Only we are using #4 instead of #1 sooo.  What you need to know about Angle 1 and Angle 4 is that they must also = 180. (together that is... so Angle 1+ Angle 4=180) go it?

mathmale · Answer

@hhelpplzzzz:  Please take the given angle measurements and put them in the appropriate place on the diagram.  
Principle #1:  the sum of the interior angles of a triangle is 180 degrees.
Principle #2:  Angles such as #1 and #4 add up to a "straight angle," that is, to 180 deg.

anonymous · Answer

so its 30?

anonymous · Answer

Did you guess this time or work it out :P

anonymous · Answer

but youre right it is (:

mathmale · Answer

I'd suggest that you (1) use names and (2) discuss how you obtained your answer.
What are you talking about by using the pronoun "its" (where you ask, "so it's 30?".

anonymous · Answer

sorry @mathmale

anonymous · Answer

thnx 4 ur help tho

anonymous · Answer

thnx @HonorsStudent

anonymous · Answer

@mathmale I think he was just trying to make sure he was right. we recently did one of these just 5 seconds ago like the exact same steps. so they know how to do it.