1.

In the given figure above,\[\angle \mathbf{AOB}=\mathbf{4}{{\mathbf{8}}^{{}^\circ }}\], AC and OB Intersect each other at right angles. What is the measure of\[\angle \mathbf{OBC}\] (where, O is the centre of the circle)?

A. \[{{44}^{{}^\circ }}\]
B. \[{{46}^{{}^\circ }}\]
C. \[{{66}^{{}^\circ }}\]
D. \[{{78.5}^{{}^\circ }}\]
Answer» D. \[{{78.5}^{{}^\circ }}\]


Discussion

No Comment Found