Question

Angle OCD=60,Find angle AOB. Arc AB and CD are equal arcs

Answer 1

Hey ,

Arc AB = Arc CD

So , angle AOB = angle COD .

Now , in triangle COD ,

OC = OD = radius .

So , angle ODC = angle OCD = 60°

& by sum property if triangle ,

angle COD = 60° .

So ,

angle AOB = 60° .

thanks :)

Answer 2

if arc AB = arc CD
so, angle AOB = angle COD

AOB = 60degree




reason... because equal arc have equal angle subtended at the center...


thank you ..