Complete the following theorem statements.
1. If three angles of one triangle are equal to three corresponding angles in another triangle, the two triangles are ...
2. The angle between a tangent and a chord is equal to ...
3. Equal chords subtend ...
4. The perpendicular bisector of a chord passes through ...
1. congruent.
2. the angle subtended by the same chord on the opposite side.
3. equal angles at the center of a circle.
4. the center of the circle.