A) \[{{30}^{o}}\]
B) \[{{40}^{o}}\]
C) \[{{50}^{o}}\]
D) \[{{60}^{o}}\]
Correct Answer: C
Solution :
In the given figure, \[t+{{10}^{o}}+t+t+{{20}^{o}}={{180}^{o}}\] \[\Rightarrow \] \[t={{50}^{o}}\]You need to login to perform this action.
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