Answers

2014-12-16T17:58:34+05:30
We have α+45=105
             α=105-45=60 degree
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2014-12-16T18:00:18+05:30
105+x=180
x=180-105
=75
now, we know 2 angles 
75 and 45
so third one=
75+45+x=180
120+x=180
x=60
answer mus be 60
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