What is the measure of ∠a?

http://secure.starssuite.com/files/geo2010/Geom_10S_Fig19.jpg

okay so i got the 66 degrees for my answer, can someone tell me if this is correct or not?

Question

What is the measure of ∠a?

http://secure.starssuite.com/files/geo2010/Geom_10S_Fig19.jpg

okay so i got the 66 degrees for my answer, can someone tell me if this is correct or not?

anonymous · Answer

How can you get 66? show me your work, please.

anonymous · Answer

i subtracted 180 from114

anonymous · Answer

that is $\angle$ next to 114, not a
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anonymous · Answer

oh snap i forgot that 42 was even there

anonymous · Answer

However, you can go on that way also. We have theorem said the angles inside the triangular =180
so a = 180 -(42+66)

anonymous · Answer

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