1.

In the given figure, angles subtended by chords AC and BC at the centre O of the circle are \[{{55}^{o}}\] and \[{{155}^{o}}\]respectively. Find\[\angle ACB.\]

A. \[{{150}^{o}}\]
B.        \[{{75}^{o}}\]
C.        \[{{62}^{o}}\]
D.        \[{{60}^{o}}\]
Answer» C.        \[{{62}^{o}}\]


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