Question

if o is the circumcenter of triangle abc and od is perpendicular to bc. prove that angle bod is equal to angle a

Answer 1

Hint:
From properties of circles, prove that mBOC=2*mBAC.
Then, since triangle BOC is isosceles with OB=OC, mBOD=mDOC.

Answer 2

thanks

Answer 3

yw! :)