Find the measure of angle\['a'\].
A) \[{{65}^{o}}\]
B) \[{{90}^{o}}\]
C) \[{{35}^{o}}\]
D) \[{{25}^{o}}\]
Correct Answer: A
Solution :
\[\angle a+{{90}^{o}}={{155}^{o}}\] \[\therefore \]\[\angle a={{65}^{o}}\]
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