1.

AB is a diameter of a circle with centre O and radius OD is perpendicular to AB. If C is any point on arc DB, then the measures of \[\angle 4=\angle 2\] and \[\angle 6=\angle 3\] will be

A.  \[\angle 1=\angle 2\]              
B.  \[\angle 3=\angle 5\]
C.  \[{{180}^{o}}\]          
D.  \[\angle 1+\angle 3={{180}^{o}}\]
Answer» D.  \[\angle 1+\angle 3={{180}^{o}}\]


Discussion

No Comment Found