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Mathematics 13 Online
OpenStudy (anonymous):

Can someone help me with a math problem? I'll fan and give medal.

OpenStudy (anonymous):

|dw:1429057038594:dw|

OpenStudy (anonymous):

The answer choices are A) 63 B) 43 C) 33 D) 53

OpenStudy (anonymous):

Can someone just help me through it but not give me the answer because I want to learn how to do it

geerky42 (geerky42):

Can you find this angle? |dw:1429057694733:dw|

OpenStudy (anonymous):

acute or reflex?

OpenStudy (anonymous):

also I'm trying to find x

geerky42 (geerky42):

reflex? I am talking about this angle:|dw:1429057808381:dw| You are already given other two angles, so you should be able to find third one, right? Since sum of angles in triangle is always \(180^o\).

OpenStudy (anonymous):

It's A right?

OpenStudy (anonymous):

63 degrees

geerky42 (geerky42):

Yep.

geerky42 (geerky42):

by vertical angles theorem, that angle must be same as x angle

OpenStudy (anonymous):

Ok thank you so much! : D

geerky42 (geerky42):

No problem :)

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