Question

Prove: if th bisector of an angle whose vertex lies on a circle passes through the center of the circle, then it is the prpendiular biector of the se,emt joining the points where the sides of the angle itersect the circle.

Answer 1

Prove that the triangle is isoceles.
Then you have two congruent triangles side angle side
the two equal angles at the center add up to 180

Answer 2

you have to sent up a given and then a prove staement and drwa a diagram

Answer 3

yes