question_answer

In the figure given, what is the value of \[\angle t\]?

A)  \[{{30}^{o}}\]   

B)                         \[{{40}^{o}}\]

C)  \[{{50}^{o}}\]     

D)         \[{{60}^{o}}\]

Correct Answer: C

Solution :

              In the given figure, \[t+{{10}^{o}}+t+t+{{20}^{o}}={{180}^{o}}\] \[\Rightarrow \] \[t={{50}^{o}}\]