A) \[15{}^\circ \]
B) \[30{}^\circ \]
C) \[45{}^\circ \]
D) \[60{}^\circ \]
Correct Answer: B
Solution :
Let the required angle be \[{{240}^{o}}\] Supplement of \[{{60}^{o}}\] Given: Since, \[{{120}^{o}}\] \[{{180}^{o}}\] \[\angle R={{138}^{o}}\]\[\angle PQS\]\[{{90}^{o}}\]\[{{42}^{o}}\] \[{{48}^{o}}\]You need to login to perform this action.
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