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Mathematics 9 Online
OpenStudy (anonymous):

Does anyone know this?

OpenStudy (anonymous):

OpenStudy (anonymous):

I might be able to help

OpenStudy (anonymous):

Please I think it is A but I'm not sure

OpenStudy (anonymous):

well you know every triangle has to add up to 180 degrees so 180-102-29 is the y angle

OpenStudy (anonymous):

Right! So is it A?

OpenStudy (anonymous):

no, y has to be 49 degrees. 49+29+102=180

OpenStudy (anonymous):

Ok so the answer would be D

OpenStudy (anonymous):

correct

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