The figure below shows a circle with center O. Segment PQ is tangent to the circle at P and segment RQ is a tangent to the circle at R.

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A flowchart proof with a few blank boxes shows that angle ROQ is congruent to angle POQ.

anonymous · Answer

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anonymous · Answer

Which statement and reason is most appropriate for box 2?

 Segment OP is congruent to segment OR since they are diameters of the same circle.

 Segment OP is congruent to segment OR since they are congruent chords.

 Angle OPQ is congruent to angle ORQ since all right angles are congruent.

 Angle OPQ is congruent to angle ORQ since they are corresponding angles of congruent triangles